diff --git a/cmd/dockerd/config_experimental.go b/cmd/dockerd/config_experimental.go
deleted file mode 100644
index 355a29e..0000000
--- a/cmd/dockerd/config_experimental.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package main
-
-import (
-	"github.com/docker/docker/daemon/config"
-	"github.com/spf13/pflag"
-)
-
-func attachExperimentalFlags(conf *config.Config, cmd *pflag.FlagSet) {
-}
diff --git a/cmd/dockerd/config_solaris.go b/cmd/dockerd/config_solaris.go
deleted file mode 100644
index ed67064..0000000
--- a/cmd/dockerd/config_solaris.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package main
-
-import (
-	"github.com/docker/docker/daemon/config"
-	"github.com/spf13/pflag"
-)
-
-// installConfigFlags adds flags to the pflag.FlagSet to configure the daemon
-func installConfigFlags(conf *config.Config, flags *pflag.FlagSet) {
-	// First handle install flags which are consistent cross-platform
-	installCommonConfigFlags(conf, flags)
-
-	// Then install flags common to unix platforms
-	installUnixConfigFlags(conf, flags)
-
-	attachExperimentalFlags(conf, flags)
-}
diff --git a/cmd/dockerd/config_unix.go b/cmd/dockerd/config_unix.go
index b3bd741..a3b0e36 100644
--- a/cmd/dockerd/config_unix.go
+++ b/cmd/dockerd/config_unix.go
@@ -44,6 +44,4 @@
 	flags.Var(&conf.ShmSize, "default-shm-size", "Default shm size for containers")
 	flags.BoolVar(&conf.NoNewPrivileges, "no-new-privileges", false, "Set no-new-privileges by default for new containers")
 	flags.StringVar(&conf.IpcMode, "default-ipc-mode", config.DefaultIpcMode, `Default mode for containers ipc ("shareable" | "private")`)
-
-	attachExperimentalFlags(conf, flags)
 }
diff --git a/cmd/dockerd/daemon_linux.go b/cmd/dockerd/daemon_linux.go
index b58f0f0..b09fed9 100644
--- a/cmd/dockerd/daemon_linux.go
+++ b/cmd/dockerd/daemon_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package main
 
 import systemdDaemon "github.com/coreos/go-systemd/daemon"
diff --git a/container/container_windows.go b/container/container_windows.go
index 5cb2e45..92b50a6 100644
--- a/container/container_windows.go
+++ b/container/container_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package container
 
 import (
diff --git a/container/state_solaris.go b/container/state_solaris.go
deleted file mode 100644
index 1229650..0000000
--- a/container/state_solaris.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package container
-
-// setFromExitStatus is a platform specific helper function to set the state
-// based on the ExitStatus structure.
-func (s *State) setFromExitStatus(exitStatus *ExitStatus) {
-	s.ExitCodeValue = exitStatus.ExitCode
-}
diff --git a/daemon/archive_tarcopyoptions_windows.go b/daemon/archive_tarcopyoptions_windows.go
index 535efd2..500e128 100644
--- a/daemon/archive_tarcopyoptions_windows.go
+++ b/daemon/archive_tarcopyoptions_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package daemon
 
 import (
diff --git a/daemon/cluster/listen_addr_linux.go b/daemon/cluster/listen_addr_linux.go
index 3d4f239..2f342fd 100644
--- a/daemon/cluster/listen_addr_linux.go
+++ b/daemon/cluster/listen_addr_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package cluster
 
 import (
diff --git a/daemon/cluster/listen_addr_solaris.go b/daemon/cluster/listen_addr_solaris.go
deleted file mode 100644
index 57a894b..0000000
--- a/daemon/cluster/listen_addr_solaris.go
+++ /dev/null
@@ -1,57 +0,0 @@
-package cluster
-
-import (
-	"bufio"
-	"fmt"
-	"net"
-	"os/exec"
-	"strings"
-)
-
-func (c *Cluster) resolveSystemAddr() (net.IP, error) {
-	defRouteCmd := "/usr/sbin/ipadm show-addr -p -o addr " +
-		"`/usr/sbin/route get default | /usr/bin/grep interface | " +
-		"/usr/bin/awk '{print $2}'`"
-	out, err := exec.Command("/usr/bin/bash", "-c", defRouteCmd).Output()
-	if err != nil {
-		return nil, fmt.Errorf("cannot get default route: %v", err)
-	}
-
-	defInterface := strings.SplitN(string(out), "/", 2)
-	defInterfaceIP := net.ParseIP(defInterface[0])
-
-	return defInterfaceIP, nil
-}
-
-func listSystemIPs() []net.IP {
-	var systemAddrs []net.IP
-	cmd := exec.Command("/usr/sbin/ipadm", "show-addr", "-p", "-o", "addr")
-	cmdReader, err := cmd.StdoutPipe()
-	if err != nil {
-		return nil
-	}
-
-	if err := cmd.Start(); err != nil {
-		return nil
-	}
-
-	scanner := bufio.NewScanner(cmdReader)
-	go func() {
-		for scanner.Scan() {
-			text := scanner.Text()
-			nameAddrPair := strings.SplitN(text, "/", 2)
-			// Let go of loopback interfaces and docker interfaces
-			systemAddrs = append(systemAddrs, net.ParseIP(nameAddrPair[0]))
-		}
-	}()
-
-	if err := scanner.Err(); err != nil {
-		fmt.Printf("scan underwent err: %+v\n", err)
-	}
-
-	if err := cmd.Wait(); err != nil {
-		fmt.Printf("run command wait: %+v\n", err)
-	}
-
-	return systemAddrs
-}
diff --git a/daemon/config/config_solaris.go b/daemon/config/config_solaris.go
deleted file mode 100644
index 6b1e061..0000000
--- a/daemon/config/config_solaris.go
+++ /dev/null
@@ -1,30 +0,0 @@
-package config
-
-// Config defines the configuration of a docker daemon.
-// These are the configuration settings that you pass
-// to the docker daemon when you launch it with say: `docker -d -e lxc`
-type Config struct {
-	CommonConfig
-
-	// These fields are common to all unix platforms.
-	CommonUnixConfig
-}
-
-// BridgeConfig stores all the bridge driver specific
-// configuration.
-type BridgeConfig struct {
-	commonBridgeConfig
-
-	// Fields below here are platform specific.
-	commonUnixBridgeConfig
-}
-
-// IsSwarmCompatible defines if swarm mode can be enabled in this config
-func (conf *Config) IsSwarmCompatible() error {
-	return nil
-}
-
-// ValidatePlatformConfig checks if any platform-specific configuration settings are invalid.
-func (conf *Config) ValidatePlatformConfig() error {
-	return nil
-}
diff --git a/daemon/configs_linux.go b/daemon/configs_linux.go
index af20ad7..d498c95 100644
--- a/daemon/configs_linux.go
+++ b/daemon/configs_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package daemon
 
 func configsSupported() bool {
diff --git a/daemon/configs_windows.go b/daemon/configs_windows.go
index 7cb2e9c..d498c95 100644
--- a/daemon/configs_windows.go
+++ b/daemon/configs_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package daemon
 
 func configsSupported() bool {
diff --git a/daemon/container_windows.go b/daemon/container_windows.go
index 6fdd1e6..6db130a 100644
--- a/daemon/container_windows.go
+++ b/daemon/container_windows.go
@@ -1,5 +1,3 @@
-//+build windows
-
 package daemon
 
 import (
diff --git a/daemon/daemon_experimental.go b/daemon/daemon_experimental.go
deleted file mode 100644
index fb0251d..0000000
--- a/daemon/daemon_experimental.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package daemon
-
-import "github.com/docker/docker/api/types/container"
-
-func (daemon *Daemon) verifyExperimentalContainerSettings(hostConfig *container.HostConfig, config *container.Config) ([]string, error) {
-	return nil, nil
-}
diff --git a/daemon/daemon_unix.go b/daemon/daemon_unix.go
index 1f9885d..51ea7c7 100644
--- a/daemon/daemon_unix.go
+++ b/daemon/daemon_unix.go
@@ -574,11 +574,6 @@
 	var warnings []string
 	sysInfo := sysinfo.New(true)
 
-	warnings, err := daemon.verifyExperimentalContainerSettings(hostConfig, config)
-	if err != nil {
-		return warnings, err
-	}
-
 	w, err := verifyContainerResources(&hostConfig.Resources, sysInfo, update)
 
 	// no matter err is nil or not, w could have data in itself.
diff --git a/daemon/exec_solaris.go b/daemon/exec_solaris.go
deleted file mode 100644
index 7c1fc20..0000000
--- a/daemon/exec_solaris.go
+++ /dev/null
@@ -1,11 +0,0 @@
-package daemon
-
-import (
-	"github.com/docker/docker/container"
-	"github.com/docker/docker/daemon/exec"
-	specs "github.com/opencontainers/runtime-spec/specs-go"
-)
-
-func (daemon *Daemon) execSetPlatformOpt(_ *container.Container, _ *exec.Config, _ *specs.Process) error {
-	return nil
-}
diff --git a/daemon/graphdriver/driver_linux.go b/daemon/graphdriver/driver_linux.go
index f59862d..d2d7c9f 100644
--- a/daemon/graphdriver/driver_linux.go
+++ b/daemon/graphdriver/driver_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package graphdriver
 
 import (
diff --git a/daemon/graphdriver/overlay2/overlay.go b/daemon/graphdriver/overlay2/overlay.go
index f1731ea..4b596ae 100644
--- a/daemon/graphdriver/overlay2/overlay.go
+++ b/daemon/graphdriver/overlay2/overlay.go
@@ -31,6 +31,7 @@
 	"github.com/docker/docker/pkg/parsers/kernel"
 	"github.com/docker/docker/pkg/system"
 	"github.com/docker/go-units"
+	rsystem "github.com/opencontainers/runc/libcontainer/system"
 	"github.com/opencontainers/selinux/go-selinux/label"
 	"github.com/sirupsen/logrus"
 	"golang.org/x/sys/unix"
@@ -704,6 +705,7 @@
 		UIDMaps:        d.uidMaps,
 		GIDMaps:        d.gidMaps,
 		WhiteoutFormat: archive.OverlayWhiteoutFormat,
+		InUserNS:       rsystem.RunningInUserNS(),
 	}); err != nil {
 		return 0, err
 	}
diff --git a/daemon/graphdriver/vfs/copy_linux.go b/daemon/graphdriver/vfs/copy_linux.go
index a632d35..1a63a11 100644
--- a/daemon/graphdriver/vfs/copy_linux.go
+++ b/daemon/graphdriver/vfs/copy_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package vfs
 
 import "github.com/docker/docker/daemon/graphdriver/copy"
diff --git a/daemon/graphdriver/vfs/quota_linux.go b/daemon/graphdriver/vfs/quota_linux.go
index 032c15b..d40d0d1 100644
--- a/daemon/graphdriver/vfs/quota_linux.go
+++ b/daemon/graphdriver/vfs/quota_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package vfs
 
 import "github.com/docker/docker/daemon/graphdriver/quota"
diff --git a/daemon/initlayer/setup_windows.go b/daemon/initlayer/setup_windows.go
index b47563e..ff78a4d 100644
--- a/daemon/initlayer/setup_windows.go
+++ b/daemon/initlayer/setup_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package initlayer
 
 import (
diff --git a/daemon/inspect_unix.go b/daemon/inspect_linux.go
similarity index 98%
rename from daemon/inspect_unix.go
rename to daemon/inspect_linux.go
index f073695..8d334dc 100644
--- a/daemon/inspect_unix.go
+++ b/daemon/inspect_linux.go
@@ -1,5 +1,3 @@
-// +build !windows
-
 package daemon
 
 import (
diff --git a/daemon/inspect_solaris.go b/daemon/inspect_solaris.go
deleted file mode 100644
index 0b275c1..0000000
--- a/daemon/inspect_solaris.go
+++ /dev/null
@@ -1,27 +0,0 @@
-package daemon
-
-import (
-	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/api/types/backend"
-	"github.com/docker/docker/api/types/versions/v1p19"
-	"github.com/docker/docker/container"
-	"github.com/docker/docker/daemon/exec"
-)
-
-// This sets platform-specific fields
-func setPlatformSpecificContainerFields(container *container.Container, contJSONBase *types.ContainerJSONBase) *types.ContainerJSONBase {
-	return contJSONBase
-}
-
-// containerInspectPre120 get containers for pre 1.20 APIs.
-func (daemon *Daemon) containerInspectPre120(name string) (*v1p19.ContainerJSON, error) {
-	return &v1p19.ContainerJSON{}, nil
-}
-
-func inspectExecProcessConfig(e *exec.Config) *backend.ExecProcessConfig {
-	return &backend.ExecProcessConfig{
-		Tty:        e.Tty,
-		Entrypoint: e.Entrypoint,
-		Arguments:  e.Args,
-	}
-}
diff --git a/daemon/kill.go b/daemon/kill.go
index 1292f86..5cde0d7 100644
--- a/daemon/kill.go
+++ b/daemon/kill.go
@@ -4,10 +4,10 @@
 	"context"
 	"fmt"
 	"runtime"
-	"strings"
 	"syscall"
 	"time"
 
+	"github.com/docker/docker/api/errdefs"
 	containerpkg "github.com/docker/docker/container"
 	"github.com/docker/docker/libcontainerd"
 	"github.com/docker/docker/pkg/signal"
@@ -97,15 +97,11 @@
 	}
 
 	if err := daemon.kill(container, sig); err != nil {
-		err = errors.Wrapf(err, "Cannot kill container %s", container.ID)
-		// if container or process not exists, ignore the error
-		// TODO: we shouldn't have to parse error strings from containerd
-		if strings.Contains(err.Error(), "container not found") ||
-			strings.Contains(err.Error(), "no such process") {
-			logrus.Warnf("container kill failed because of 'container not found' or 'no such process': %s", err.Error())
+		if errdefs.IsNotFound(err) {
 			unpause = false
+			logrus.WithError(err).WithField("container", container.ID).WithField("action", "kill").Debug("container kill failed because of 'container not found' or 'no such process'")
 		} else {
-			return err
+			return errors.Wrapf(err, "Cannot kill container %s", container.ID)
 		}
 	}
 
@@ -171,7 +167,7 @@
 // killPossibleDeadProcess is a wrapper around killSig() suppressing "no such process" error.
 func (daemon *Daemon) killPossiblyDeadProcess(container *containerpkg.Container, sig int) error {
 	err := daemon.killWithSignal(container, sig)
-	if err == syscall.ESRCH {
+	if errdefs.IsNotFound(err) {
 		e := errNoSuchProcess{container.GetPID(), sig}
 		logrus.Debug(e)
 		return e
diff --git a/daemon/listeners/listeners_unix.go b/daemon/listeners/listeners_linux.go
similarity index 98%
rename from daemon/listeners/listeners_unix.go
rename to daemon/listeners/listeners_linux.go
index 3a7c0f8..7e0aaa2 100644
--- a/daemon/listeners/listeners_unix.go
+++ b/daemon/listeners/listeners_linux.go
@@ -1,5 +1,3 @@
-// +build !windows
-
 package listeners
 
 import (
diff --git a/daemon/listeners/listeners_solaris.go b/daemon/listeners/listeners_solaris.go
deleted file mode 100644
index ee1bd0f..0000000
--- a/daemon/listeners/listeners_solaris.go
+++ /dev/null
@@ -1,43 +0,0 @@
-package listeners
-
-import (
-	"crypto/tls"
-	"fmt"
-	"net"
-	"os"
-
-	"github.com/docker/go-connections/sockets"
-	"github.com/sirupsen/logrus"
-)
-
-// Init creates new listeners for the server.
-func Init(proto, addr, socketGroup string, tlsConfig *tls.Config) (ls []net.Listener, err error) {
-	switch proto {
-	case "tcp":
-		l, err := sockets.NewTCPSocket(addr, tlsConfig)
-		if err != nil {
-			return nil, err
-		}
-		ls = append(ls, l)
-	case "unix":
-		gid, err := lookupGID(socketGroup)
-		if err != nil {
-			if socketGroup != "" {
-				if socketGroup != defaultSocketGroup {
-					return nil, err
-				}
-				logrus.Warnf("could not change group %s to %s: %v", addr, defaultSocketGroup, err)
-			}
-			gid = os.Getgid()
-		}
-		l, err := sockets.NewUnixSocket(addr, gid)
-		if err != nil {
-			return nil, fmt.Errorf("can't create unix socket %s: %v", addr, err)
-		}
-		ls = append(ls, l)
-	default:
-		return nil, fmt.Errorf("Invalid protocol format: %q", proto)
-	}
-
-	return
-}
diff --git a/daemon/logger/awslogs/cloudwatchlogs.go b/daemon/logger/awslogs/cloudwatchlogs.go
index 4ea9420..25dd215 100644
--- a/daemon/logger/awslogs/cloudwatchlogs.go
+++ b/daemon/logger/awslogs/cloudwatchlogs.go
@@ -95,6 +95,17 @@
 	}
 }
 
+// eventBatch holds the events that are batched for submission and the
+// associated data about it.
+//
+// Warning: this type is not threadsafe and must not be used
+// concurrently. This type is expected to be consumed in a single go
+// routine and never concurrently.
+type eventBatch struct {
+	batch []wrappedEvent
+	bytes int
+}
+
 // New creates an awslogs logger using the configuration passed in on the
 // context.  Supported context configuration variables are awslogs-region,
 // awslogs-group, awslogs-stream, awslogs-create-group, awslogs-multiline-pattern
@@ -389,32 +400,32 @@
 // Logs, the processEvents method is called.  If a multiline pattern is not
 // configured, log events are submitted to the processEvents method immediately.
 func (l *logStream) collectBatch() {
-	timer := newTicker(batchPublishFrequency)
-	var events []wrappedEvent
+	ticker := newTicker(batchPublishFrequency)
 	var eventBuffer []byte
 	var eventBufferTimestamp int64
+	var batch = newEventBatch()
 	for {
 		select {
-		case t := <-timer.C:
+		case t := <-ticker.C:
 			// If event buffer is older than batch publish frequency flush the event buffer
 			if eventBufferTimestamp > 0 && len(eventBuffer) > 0 {
 				eventBufferAge := t.UnixNano()/int64(time.Millisecond) - eventBufferTimestamp
 				eventBufferExpired := eventBufferAge > int64(batchPublishFrequency)/int64(time.Millisecond)
 				eventBufferNegative := eventBufferAge < 0
 				if eventBufferExpired || eventBufferNegative {
-					events = l.processEvent(events, eventBuffer, eventBufferTimestamp)
+					l.processEvent(batch, eventBuffer, eventBufferTimestamp)
 					eventBuffer = eventBuffer[:0]
 				}
 			}
-			l.publishBatch(events)
-			events = events[:0]
+			l.publishBatch(batch)
+			batch.reset()
 		case msg, more := <-l.messages:
 			if !more {
 				// Flush event buffer and release resources
-				events = l.processEvent(events, eventBuffer, eventBufferTimestamp)
+				l.processEvent(batch, eventBuffer, eventBufferTimestamp)
 				eventBuffer = eventBuffer[:0]
-				l.publishBatch(events)
-				events = events[:0]
+				l.publishBatch(batch)
+				batch.reset()
 				return
 			}
 			if eventBufferTimestamp == 0 {
@@ -425,7 +436,7 @@
 				if l.multilinePattern.Match(unprocessedLine) || len(eventBuffer)+len(unprocessedLine) > maximumBytesPerEvent {
 					// This is a new log event or we will exceed max bytes per event
 					// so flush the current eventBuffer to events and reset timestamp
-					events = l.processEvent(events, eventBuffer, eventBufferTimestamp)
+					l.processEvent(batch, eventBuffer, eventBufferTimestamp)
 					eventBufferTimestamp = msg.Timestamp.UnixNano() / int64(time.Millisecond)
 					eventBuffer = eventBuffer[:0]
 				}
@@ -434,7 +445,7 @@
 				eventBuffer = append(eventBuffer, processedLine...)
 				logger.PutMessage(msg)
 			} else {
-				events = l.processEvent(events, unprocessedLine, msg.Timestamp.UnixNano()/int64(time.Millisecond))
+				l.processEvent(batch, unprocessedLine, msg.Timestamp.UnixNano()/int64(time.Millisecond))
 				logger.PutMessage(msg)
 			}
 		}
@@ -450,8 +461,7 @@
 // bytes per event (defined in maximumBytesPerEvent).  There is a fixed per-event
 // byte overhead (defined in perEventBytes) which is accounted for in split- and
 // batch-calculations.
-func (l *logStream) processEvent(events []wrappedEvent, unprocessedLine []byte, timestamp int64) []wrappedEvent {
-	bytes := 0
+func (l *logStream) processEvent(batch *eventBatch, unprocessedLine []byte, timestamp int64) {
 	for len(unprocessedLine) > 0 {
 		// Split line length so it does not exceed the maximum
 		lineBytes := len(unprocessedLine)
@@ -459,38 +469,33 @@
 			lineBytes = maximumBytesPerEvent
 		}
 		line := unprocessedLine[:lineBytes]
-		unprocessedLine = unprocessedLine[lineBytes:]
-		if (len(events) >= maximumLogEventsPerPut) || (bytes+lineBytes+perEventBytes > maximumBytesPerPut) {
-			// Publish an existing batch if it's already over the maximum number of events or if adding this
-			// event would push it over the maximum number of total bytes.
-			l.publishBatch(events)
-			events = events[:0]
-			bytes = 0
-		}
-		events = append(events, wrappedEvent{
+
+		event := wrappedEvent{
 			inputLogEvent: &cloudwatchlogs.InputLogEvent{
 				Message:   aws.String(string(line)),
 				Timestamp: aws.Int64(timestamp),
 			},
-			insertOrder: len(events),
-		})
-		bytes += (lineBytes + perEventBytes)
+			insertOrder: batch.count(),
+		}
+
+		added := batch.add(event, lineBytes)
+		if added {
+			unprocessedLine = unprocessedLine[lineBytes:]
+		} else {
+			l.publishBatch(batch)
+			batch.reset()
+		}
 	}
-	return events
 }
 
 // publishBatch calls PutLogEvents for a given set of InputLogEvents,
 // accounting for sequencing requirements (each request must reference the
 // sequence token returned by the previous request).
-func (l *logStream) publishBatch(events []wrappedEvent) {
-	if len(events) == 0 {
+func (l *logStream) publishBatch(batch *eventBatch) {
+	if batch.isEmpty() {
 		return
 	}
-
-	// events in a batch must be sorted by timestamp
-	// see http://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API_PutLogEvents.html
-	sort.Sort(byTimestamp(events))
-	cwEvents := unwrapEvents(events)
+	cwEvents := unwrapEvents(batch.events())
 
 	nextSequenceToken, err := l.putLogEvents(cwEvents, l.sequenceToken)
 
@@ -615,3 +620,70 @@
 	}
 	return cwEvents
 }
+
+func newEventBatch() *eventBatch {
+	return &eventBatch{
+		batch: make([]wrappedEvent, 0),
+		bytes: 0,
+	}
+}
+
+// events returns a slice of wrappedEvents sorted in order of their
+// timestamps and then by their insertion order (see `byTimestamp`).
+//
+// Warning: this method is not threadsafe and must not be used
+// concurrently.
+func (b *eventBatch) events() []wrappedEvent {
+	sort.Sort(byTimestamp(b.batch))
+	return b.batch
+}
+
+// add adds an event to the batch of events accounting for the
+// necessary overhead for an event to be logged. An error will be
+// returned if the event cannot be added to the batch due to service
+// limits.
+//
+// Warning: this method is not threadsafe and must not be used
+// concurrently.
+func (b *eventBatch) add(event wrappedEvent, size int) bool {
+	addBytes := size + perEventBytes
+
+	// verify we are still within service limits
+	switch {
+	case len(b.batch)+1 > maximumLogEventsPerPut:
+		return false
+	case b.bytes+addBytes > maximumBytesPerPut:
+		return false
+	}
+
+	b.bytes += addBytes
+	b.batch = append(b.batch, event)
+
+	return true
+}
+
+// count is the number of batched events.  Warning: this method
+// is not threadsafe and must not be used concurrently.
+func (b *eventBatch) count() int {
+	return len(b.batch)
+}
+
+// size is the total number of bytes that the batch represents.
+//
+// Warning: this method is not threadsafe and must not be used
+// concurrently.
+func (b *eventBatch) size() int {
+	return b.bytes
+}
+
+func (b *eventBatch) isEmpty() bool {
+	zeroEvents := b.count() == 0
+	zeroSize := b.size() == 0
+	return zeroEvents && zeroSize
+}
+
+// reset prepares the batch for reuse.
+func (b *eventBatch) reset() {
+	b.bytes = 0
+	b.batch = b.batch[:0]
+}
diff --git a/daemon/logger/awslogs/cloudwatchlogs_test.go b/daemon/logger/awslogs/cloudwatchlogs_test.go
index 7ebc5de..67ea474 100644
--- a/daemon/logger/awslogs/cloudwatchlogs_test.go
+++ b/daemon/logger/awslogs/cloudwatchlogs_test.go
@@ -49,6 +49,15 @@
 	}
 }
 
+func testEventBatch(events []wrappedEvent) *eventBatch {
+	batch := newEventBatch()
+	for _, event := range events {
+		eventlen := len([]byte(*event.inputLogEvent.Message))
+		batch.add(event, eventlen)
+	}
+	return batch
+}
+
 func TestNewAWSLogsClientUserAgentHandler(t *testing.T) {
 	info := logger.Info{
 		Config: map[string]string{
@@ -212,7 +221,7 @@
 		},
 	}
 
-	stream.publishBatch(events)
+	stream.publishBatch(testEventBatch(events))
 	if stream.sequenceToken == nil {
 		t.Fatal("Expected non-nil sequenceToken")
 	}
@@ -257,7 +266,7 @@
 		},
 	}
 
-	stream.publishBatch(events)
+	stream.publishBatch(testEventBatch(events))
 	if stream.sequenceToken == nil {
 		t.Fatal("Expected non-nil sequenceToken")
 	}
@@ -291,7 +300,7 @@
 		},
 	}
 
-	stream.publishBatch(events)
+	stream.publishBatch(testEventBatch(events))
 	if stream.sequenceToken == nil {
 		t.Fatal("Expected non-nil sequenceToken")
 	}
@@ -354,7 +363,7 @@
 		},
 	}
 
-	stream.publishBatch(events)
+	stream.publishBatch(testEventBatch(events))
 	if stream.sequenceToken == nil {
 		t.Fatal("Expected non-nil sequenceToken")
 	}
@@ -859,7 +868,8 @@
 }
 
 func TestCollectBatchMaxTotalBytes(t *testing.T) {
-	mockClient := newMockClientBuffered(1)
+	expectedPuts := 2
+	mockClient := newMockClientBuffered(expectedPuts)
 	stream := &logStream{
 		client:        mockClient,
 		logGroupName:  groupName,
@@ -867,11 +877,14 @@
 		sequenceToken: aws.String(sequenceToken),
 		messages:      make(chan *logger.Message),
 	}
-	mockClient.putLogEventsResult <- &putLogEventsResult{
-		successResult: &cloudwatchlogs.PutLogEventsOutput{
-			NextSequenceToken: aws.String(nextSequenceToken),
-		},
+	for i := 0; i < expectedPuts; i++ {
+		mockClient.putLogEventsResult <- &putLogEventsResult{
+			successResult: &cloudwatchlogs.PutLogEventsOutput{
+				NextSequenceToken: aws.String(nextSequenceToken),
+			},
+		}
 	}
+
 	var ticks = make(chan time.Time)
 	newTicker = func(_ time.Duration) *time.Ticker {
 		return &time.Ticker{
@@ -881,32 +894,57 @@
 
 	go stream.collectBatch()
 
-	longline := strings.Repeat("A", maximumBytesPerPut)
+	numPayloads := maximumBytesPerPut / (maximumBytesPerEvent + perEventBytes)
+	// maxline is the maximum line that could be submitted after
+	// accounting for its overhead.
+	maxline := strings.Repeat("A", maximumBytesPerPut-(perEventBytes*numPayloads))
+	// This will be split and batched up to the `maximumBytesPerPut'
+	// (+/- `maximumBytesPerEvent'). This /should/ be aligned, but
+	// should also tolerate an offset within that range.
 	stream.Log(&logger.Message{
-		Line:      []byte(longline + "B"),
+		Line:      []byte(maxline[:len(maxline)/2]),
+		Timestamp: time.Time{},
+	})
+	stream.Log(&logger.Message{
+		Line:      []byte(maxline[len(maxline)/2:]),
+		Timestamp: time.Time{},
+	})
+	stream.Log(&logger.Message{
+		Line:      []byte("B"),
 		Timestamp: time.Time{},
 	})
 
-	// no ticks
+	// no ticks, guarantee batch by size (and chan close)
 	stream.Close()
 
 	argument := <-mockClient.putLogEventsArgument
 	if argument == nil {
 		t.Fatal("Expected non-nil PutLogEventsInput")
 	}
-	bytes := 0
+
+	// Should total to the maximum allowed bytes.
+	eventBytes := 0
 	for _, event := range argument.LogEvents {
-		bytes += len(*event.Message)
+		eventBytes += len(*event.Message)
 	}
-	if bytes > maximumBytesPerPut {
-		t.Errorf("Expected <= %d bytes but was %d", maximumBytesPerPut, bytes)
+	eventsOverhead := len(argument.LogEvents) * perEventBytes
+	payloadTotal := eventBytes + eventsOverhead
+	// lowestMaxBatch allows the payload to be offset if the messages
+	// don't lend themselves to align with the maximum event size.
+	lowestMaxBatch := maximumBytesPerPut - maximumBytesPerEvent
+
+	if payloadTotal > maximumBytesPerPut {
+		t.Errorf("Expected <= %d bytes but was %d", maximumBytesPerPut, payloadTotal)
+	}
+	if payloadTotal < lowestMaxBatch {
+		t.Errorf("Batch to be no less than %d but was %d", lowestMaxBatch, payloadTotal)
 	}
 
 	argument = <-mockClient.putLogEventsArgument
 	if len(argument.LogEvents) != 1 {
 		t.Errorf("Expected LogEvents to contain 1 elements, but contains %d", len(argument.LogEvents))
 	}
-	message := *argument.LogEvents[0].Message
+	message := *argument.LogEvents[len(argument.LogEvents)-1].Message
 	if message[len(message)-1:] != "B" {
 		t.Errorf("Expected message to be %s but was %s", "B", message[len(message)-1:])
 	}
diff --git a/daemon/logger/awslogs/cwlogsiface_mock_test.go b/daemon/logger/awslogs/cwlogsiface_mock_test.go
index 82bb34b..d0a2eba 100644
--- a/daemon/logger/awslogs/cwlogsiface_mock_test.go
+++ b/daemon/logger/awslogs/cwlogsiface_mock_test.go
@@ -1,6 +1,10 @@
 package awslogs
 
-import "github.com/aws/aws-sdk-go/service/cloudwatchlogs"
+import (
+	"fmt"
+
+	"github.com/aws/aws-sdk-go/service/cloudwatchlogs"
+)
 
 type mockcwlogsclient struct {
 	createLogGroupArgument  chan *cloudwatchlogs.CreateLogGroupInput
@@ -67,7 +71,30 @@
 		LogGroupName:  input.LogGroupName,
 		LogStreamName: input.LogStreamName,
 	}
+
+	// Intended mock output
 	output := <-m.putLogEventsResult
+
+	// Checked enforced limits in mock
+	totalBytes := 0
+	for _, evt := range events {
+		if evt.Message == nil {
+			continue
+		}
+		eventBytes := len([]byte(*evt.Message))
+		if eventBytes > maximumBytesPerEvent {
+			// exceeded per event message size limits
+			return nil, fmt.Errorf("maximum bytes per event exceeded: Event too large %d, max allowed: %d", eventBytes, maximumBytesPerEvent)
+		}
+		// total event bytes including overhead
+		totalBytes += eventBytes + perEventBytes
+	}
+
+	if totalBytes > maximumBytesPerPut {
+		// exceeded per put maximum size limit
+		return nil, fmt.Errorf("maximum bytes per put exceeded: Upload too large %d, max allowed: %d", totalBytes, maximumBytesPerPut)
+	}
+
 	return output.successResult, output.errorResult
 }
 
diff --git a/daemon/logger/gcplogs/gcplogging_linux.go b/daemon/logger/gcplogs/gcplogging_linux.go
index 8917bdd..41a0936 100644
--- a/daemon/logger/gcplogs/gcplogging_linux.go
+++ b/daemon/logger/gcplogs/gcplogging_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package gcplogs
 
 import (
diff --git a/daemon/monitor_solaris.go b/daemon/monitor_solaris.go
deleted file mode 100644
index 0995758..0000000
--- a/daemon/monitor_solaris.go
+++ /dev/null
@@ -1,11 +0,0 @@
-package daemon
-
-import (
-	"github.com/docker/docker/container"
-	"github.com/docker/docker/libcontainerd"
-)
-
-// postRunProcessing perfoms any processing needed on the container after it has stopped.
-func (daemon *Daemon) postRunProcessing(_ *container.Container, _ libcontainerd.EventInfo) error {
-	return nil
-}
diff --git a/daemon/secrets_linux.go b/daemon/secrets_linux.go
index fca4e12..6ae0117 100644
--- a/daemon/secrets_linux.go
+++ b/daemon/secrets_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package daemon
 
 func secretsSupported() bool {
diff --git a/daemon/secrets_windows.go b/daemon/secrets_windows.go
index 9054354..6ae0117 100644
--- a/daemon/secrets_windows.go
+++ b/daemon/secrets_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package daemon
 
 func secretsSupported() bool {
diff --git a/daemon/selinux_linux.go b/daemon/selinux_linux.go
index fb2578b..46da7f1 100644
--- a/daemon/selinux_linux.go
+++ b/daemon/selinux_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package daemon
 
 import "github.com/opencontainers/selinux/go-selinux"
diff --git a/daemon/stats/collector_windows.go b/daemon/stats/collector_windows.go
index 5fb27ce..03109fd 100644
--- a/daemon/stats/collector_windows.go
+++ b/daemon/stats/collector_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package stats
 
 // platformNewStatsCollector performs platform specific initialisation of the
diff --git a/daemon/update_linux.go b/daemon/update_linux.go
index 41d3b53..966d74e 100644
--- a/daemon/update_linux.go
+++ b/daemon/update_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package daemon
 
 import (
diff --git a/daemon/update_solaris.go b/daemon/update_solaris.go
deleted file mode 100644
index f3b545c..0000000
--- a/daemon/update_solaris.go
+++ /dev/null
@@ -1,11 +0,0 @@
-package daemon
-
-import (
-	"github.com/docker/docker/api/types/container"
-	"github.com/docker/docker/libcontainerd"
-)
-
-func toContainerdResources(resources container.Resources) libcontainerd.Resources {
-	var r libcontainerd.Resources
-	return r
-}
diff --git a/daemon/update_windows.go b/daemon/update_windows.go
index 4f85f41..e60f63d 100644
--- a/daemon/update_windows.go
+++ b/daemon/update_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package daemon
 
 import (
diff --git a/daemon/volumes_windows.go b/daemon/volumes_windows.go
index 62c9e23..bfb5133 100644
--- a/daemon/volumes_windows.go
+++ b/daemon/volumes_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package daemon
 
 import (
diff --git a/distribution/pull_v2_windows.go b/distribution/pull_v2_windows.go
index b4573e1..08ff437 100644
--- a/distribution/pull_v2_windows.go
+++ b/distribution/pull_v2_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package distribution
 
 import (
diff --git a/integration-cli/docker_api_logs_test.go b/integration-cli/docker_api_logs_test.go
index ef1e77d..89c2865 100644
--- a/integration-cli/docker_api_logs_test.go
+++ b/integration-cli/docker_api_logs_test.go
@@ -172,6 +172,8 @@
 
 	// Get timestamp of second log line
 	allLogs := extractBody(c, types.ContainerLogsOptions{Timestamps: true, ShowStdout: true})
+	c.Assert(len(allLogs), checker.GreaterOrEqualThan, 3)
+
 	t, err := time.Parse(time.RFC3339Nano, strings.Split(allLogs[1], " ")[0])
 	c.Assert(err, checker.IsNil)
 	until := t.Format(time.RFC3339Nano)
diff --git a/libcontainerd/client_daemon.go b/libcontainerd/client_daemon.go
index 0a3502c..a9f7c11 100644
--- a/libcontainerd/client_daemon.go
+++ b/libcontainerd/client_daemon.go
@@ -27,6 +27,7 @@
 	"github.com/containerd/containerd/archive"
 	"github.com/containerd/containerd/cio"
 	"github.com/containerd/containerd/content"
+	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/images"
 	"github.com/containerd/containerd/linux/runctypes"
 	"github.com/containerd/typeurl"
@@ -42,7 +43,7 @@
 const InitProcessName = "init"
 
 type container struct {
-	sync.Mutex
+	mu sync.Mutex
 
 	bundleDir string
 	ctr       containerd.Container
@@ -51,6 +52,54 @@
 	oomKilled bool
 }
 
+func (c *container) setTask(t containerd.Task) {
+	c.mu.Lock()
+	c.task = t
+	c.mu.Unlock()
+}
+
+func (c *container) getTask() containerd.Task {
+	c.mu.Lock()
+	t := c.task
+	c.mu.Unlock()
+	return t
+}
+
+func (c *container) addProcess(id string, p containerd.Process) {
+	c.mu.Lock()
+	if c.execs == nil {
+		c.execs = make(map[string]containerd.Process)
+	}
+	c.execs[id] = p
+	c.mu.Unlock()
+}
+
+func (c *container) deleteProcess(id string) {
+	c.mu.Lock()
+	delete(c.execs, id)
+	c.mu.Unlock()
+}
+
+func (c *container) getProcess(id string) containerd.Process {
+	c.mu.Lock()
+	p := c.execs[id]
+	c.mu.Unlock()
+	return p
+}
+
+func (c *container) setOOMKilled(killed bool) {
+	c.mu.Lock()
+	c.oomKilled = killed
+	c.mu.Unlock()
+}
+
+func (c *container) getOOMKilled() bool {
+	c.mu.Lock()
+	killed := c.oomKilled
+	c.mu.Unlock()
+	return killed
+}
+
 type client struct {
 	sync.RWMutex // protects containers map
 
@@ -160,10 +209,10 @@
 // Start create and start a task for the specified containerd id
 func (c *client) Start(ctx context.Context, id, checkpointDir string, withStdin bool, attachStdio StdioCallback) (int, error) {
 	ctr := c.getContainer(id)
-	switch {
-	case ctr == nil:
+	if ctr == nil {
 		return -1, errors.WithStack(newNotFoundError("no such container"))
-	case ctr.task != nil:
+	}
+	if t := ctr.getTask(); t != nil {
 		return -1, errors.WithStack(newConflictError("container already started"))
 	}
 
@@ -227,9 +276,7 @@
 		return -1, err
 	}
 
-	c.Lock()
-	c.containers[id].task = t
-	c.Unlock()
+	ctr.setTask(t)
 
 	// Signal c.createIO that it can call CloseIO
 	close(stdinCloseSync)
@@ -239,9 +286,7 @@
 			c.logger.WithError(err).WithField("container", id).
 				Error("failed to delete task after fail start")
 		}
-		c.Lock()
-		c.containers[id].task = nil
-		c.Unlock()
+		ctr.setTask(nil)
 		return -1, err
 	}
 
@@ -250,12 +295,15 @@
 
 func (c *client) Exec(ctx context.Context, containerID, processID string, spec *specs.Process, withStdin bool, attachStdio StdioCallback) (int, error) {
 	ctr := c.getContainer(containerID)
-	switch {
-	case ctr == nil:
+	if ctr == nil {
 		return -1, errors.WithStack(newNotFoundError("no such container"))
-	case ctr.task == nil:
+	}
+	t := ctr.getTask()
+	if t == nil {
 		return -1, errors.WithStack(newInvalidParameterError("container is not running"))
-	case ctr.execs != nil && ctr.execs[processID] != nil:
+	}
+
+	if p := ctr.getProcess(processID); p != nil {
 		return -1, errors.WithStack(newConflictError("id already in use"))
 	}
 
@@ -278,7 +326,7 @@
 		}
 	}()
 
-	p, err = ctr.task.Exec(ctx, processID, spec, func(id string) (cio.IO, error) {
+	p, err = t.Exec(ctx, processID, spec, func(id string) (cio.IO, error) {
 		rio, err = c.createIO(fifos, containerID, processID, stdinCloseSync, attachStdio)
 		return rio, err
 	})
@@ -291,21 +339,14 @@
 		return -1, err
 	}
 
-	ctr.Lock()
-	if ctr.execs == nil {
-		ctr.execs = make(map[string]containerd.Process)
-	}
-	ctr.execs[processID] = p
-	ctr.Unlock()
+	ctr.addProcess(processID, p)
 
 	// Signal c.createIO that it can call CloseIO
 	close(stdinCloseSync)
 
 	if err = p.Start(ctx); err != nil {
 		p.Delete(context.Background())
-		ctr.Lock()
-		delete(ctr.execs, processID)
-		ctr.Unlock()
+		ctr.deleteProcess(processID)
 		return -1, err
 	}
 
@@ -317,7 +358,7 @@
 	if err != nil {
 		return err
 	}
-	return p.Kill(ctx, syscall.Signal(signal))
+	return wrapError(p.Kill(ctx, syscall.Signal(signal)))
 }
 
 func (c *client) ResizeTerminal(ctx context.Context, containerID, processID string, width, height int) error {
@@ -431,12 +472,9 @@
 		return 255, time.Now(), nil
 	}
 
-	c.Lock()
-	if ctr, ok := c.containers[containerID]; ok {
-		ctr.task = nil
+	if ctr := c.getContainer(containerID); ctr != nil {
+		ctr.setTask(nil)
 	}
-	c.Unlock()
-
 	return status.ExitCode(), status.ExitTime(), nil
 }
 
@@ -470,7 +508,12 @@
 		return StatusUnknown, errors.WithStack(newNotFoundError("no such container"))
 	}
 
-	s, err := ctr.task.Status(ctx)
+	t := ctr.getTask()
+	if t == nil {
+		return StatusUnknown, errors.WithStack(newNotFoundError("no such task"))
+	}
+
+	s, err := t.Status(ctx)
 	if err != nil {
 		return StatusUnknown, err
 	}
@@ -546,26 +589,22 @@
 
 func (c *client) getProcess(containerID, processID string) (containerd.Process, error) {
 	ctr := c.getContainer(containerID)
-	switch {
-	case ctr == nil:
+	if ctr == nil {
 		return nil, errors.WithStack(newNotFoundError("no such container"))
-	case ctr.task == nil:
-		return nil, errors.WithStack(newNotFoundError("container is not running"))
-	case processID == InitProcessName:
-		return ctr.task, nil
-	default:
-		ctr.Lock()
-		defer ctr.Unlock()
-		if ctr.execs == nil {
-			return nil, errors.WithStack(newNotFoundError("no execs"))
-		}
 	}
 
-	p := ctr.execs[processID]
+	t := ctr.getTask()
+	if t == nil {
+		return nil, errors.WithStack(newNotFoundError("container is not running"))
+	}
+	if processID == InitProcessName {
+		return t, nil
+	}
+
+	p := ctr.getProcess(processID)
 	if p == nil {
 		return nil, errors.WithStack(newNotFoundError("no such exec"))
 	}
-
 	return p, nil
 }
 
@@ -623,12 +662,7 @@
 		}
 
 		if et == EventExit && ei.ProcessID != ei.ContainerID {
-			var p containerd.Process
-			ctr.Lock()
-			if ctr.execs != nil {
-				p = ctr.execs[ei.ProcessID]
-			}
-			ctr.Unlock()
+			p := ctr.getProcess(ei.ProcessID)
 			if p == nil {
 				c.logger.WithError(errors.New("no such process")).
 					WithFields(logrus.Fields{
@@ -644,9 +678,8 @@
 					"process":   ei.ProcessID,
 				}).Warn("failed to delete process")
 			}
-			c.Lock()
-			delete(ctr.execs, ei.ProcessID)
-			c.Unlock()
+			ctr.deleteProcess(ei.ProcessID)
+
 			ctr := c.getContainer(ei.ContainerID)
 			if ctr == nil {
 				c.logger.WithFields(logrus.Fields{
@@ -783,10 +816,10 @@
 		}
 
 		if oomKilled {
-			ctr.oomKilled = true
+			ctr.setOOMKilled(true)
 			oomKilled = false
 		}
-		ei.OOMKilled = ctr.oomKilled
+		ei.OOMKilled = ctr.getOOMKilled()
 
 		c.processEvent(ctr, et, ei)
 	}
@@ -816,12 +849,19 @@
 }
 
 func wrapError(err error) error {
-	if err != nil {
-		msg := err.Error()
-		for _, s := range []string{"container does not exist", "not found", "no such container"} {
-			if strings.Contains(msg, s) {
-				return wrapNotFoundError(err)
-			}
+	if err == nil {
+		return nil
+	}
+
+	switch {
+	case errdefs.IsNotFound(err):
+		return wrapNotFoundError(err)
+	}
+
+	msg := err.Error()
+	for _, s := range []string{"container does not exist", "not found", "no such container"} {
+		if strings.Contains(msg, s) {
+			return wrapNotFoundError(err)
 		}
 	}
 	return err
diff --git a/opts/hosts_windows.go b/opts/hosts_windows.go
index 7c239e0..684f0e1 100644
--- a/opts/hosts_windows.go
+++ b/opts/hosts_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package opts
 
 // DefaultHost constant defines the default host string used by docker on Windows
diff --git a/pkg/archive/archive_windows.go b/pkg/archive/archive_windows.go
index a22410c..66243a6 100644
--- a/pkg/archive/archive_windows.go
+++ b/pkg/archive/archive_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package archive
 
 import (
diff --git a/pkg/directory/directory_windows.go b/pkg/directory/directory_windows.go
index 6fb0917..efe05ce 100644
--- a/pkg/directory/directory_windows.go
+++ b/pkg/directory/directory_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package directory
 
 import (
diff --git a/pkg/dmesg/dmesg_linux.go b/pkg/dmesg/dmesg_linux.go
index 7df7f3d..2fb494e 100644
--- a/pkg/dmesg/dmesg_linux.go
+++ b/pkg/dmesg/dmesg_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package dmesg
 
 import (
diff --git a/pkg/fsutils/fsutils_linux.go b/pkg/fsutils/fsutils_linux.go
index e6094b5..7596259 100644
--- a/pkg/fsutils/fsutils_linux.go
+++ b/pkg/fsutils/fsutils_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package fsutils
 
 import (
diff --git a/pkg/homedir/homedir_linux.go b/pkg/homedir/homedir_linux.go
index 012fe52..a7cd2e1 100644
--- a/pkg/homedir/homedir_linux.go
+++ b/pkg/homedir/homedir_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package homedir
 
 import (
diff --git a/pkg/idtools/idtools_windows.go b/pkg/idtools/idtools_windows.go
index 94ca33a..ec49177 100644
--- a/pkg/idtools/idtools_windows.go
+++ b/pkg/idtools/idtools_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package idtools
 
 import (
diff --git a/pkg/ioutils/temp_windows.go b/pkg/ioutils/temp_windows.go
index c258e5f..fb14c95 100644
--- a/pkg/ioutils/temp_windows.go
+++ b/pkg/ioutils/temp_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package ioutils
 
 import (
diff --git a/pkg/mount/mountinfo_linux.go b/pkg/mount/mountinfo_linux.go
index be69fee..dde889e 100644
--- a/pkg/mount/mountinfo_linux.go
+++ b/pkg/mount/mountinfo_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package mount
 
 import (
diff --git a/pkg/mount/sharedsubtree_linux.go b/pkg/mount/sharedsubtree_linux.go
index 8ceec84..f3c13e5 100644
--- a/pkg/mount/sharedsubtree_linux.go
+++ b/pkg/mount/sharedsubtree_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package mount
 
 // MakeShared ensures a mounted filesystem has the SHARED mount option enabled.
diff --git a/pkg/parsers/kernel/kernel_windows.go b/pkg/parsers/kernel/kernel_windows.go
index e598672..93620ee 100644
--- a/pkg/parsers/kernel/kernel_windows.go
+++ b/pkg/parsers/kernel/kernel_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package kernel
 
 import (
diff --git a/pkg/reexec/command_linux.go b/pkg/reexec/command_linux.go
index 05319ea..d3f1061 100644
--- a/pkg/reexec/command_linux.go
+++ b/pkg/reexec/command_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package reexec
 
 import (
diff --git a/pkg/reexec/command_windows.go b/pkg/reexec/command_windows.go
index ca871c4..c320876 100644
--- a/pkg/reexec/command_windows.go
+++ b/pkg/reexec/command_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package reexec
 
 import (
diff --git a/pkg/signal/signal_windows.go b/pkg/signal/signal_windows.go
index 440f270..c84a63e 100644
--- a/pkg/signal/signal_windows.go
+++ b/pkg/signal/signal_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package signal
 
 import (
diff --git a/pkg/sysinfo/numcpu_linux.go b/pkg/sysinfo/numcpu_linux.go
index f1d2d9d..5739b33 100644
--- a/pkg/sysinfo/numcpu_linux.go
+++ b/pkg/sysinfo/numcpu_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package sysinfo
 
 import (
diff --git a/pkg/sysinfo/numcpu_windows.go b/pkg/sysinfo/numcpu_windows.go
index 1d89dd5..3516182 100644
--- a/pkg/sysinfo/numcpu_windows.go
+++ b/pkg/sysinfo/numcpu_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package sysinfo
 
 import (
diff --git a/pkg/sysinfo/sysinfo_windows.go b/pkg/sysinfo/sysinfo_windows.go
index 4e6255b..8889318 100644
--- a/pkg/sysinfo/sysinfo_windows.go
+++ b/pkg/sysinfo/sysinfo_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package sysinfo
 
 // New returns an empty SysInfo for windows for now.
diff --git a/pkg/system/chtimes_windows.go b/pkg/system/chtimes_windows.go
index 45428c1..a1f4fd5 100644
--- a/pkg/system/chtimes_windows.go
+++ b/pkg/system/chtimes_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package system
 
 import (
diff --git a/pkg/system/filesys_windows.go b/pkg/system/filesys_windows.go
index a61b53d..b1e46d9 100644
--- a/pkg/system/filesys_windows.go
+++ b/pkg/system/filesys_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package system
 
 import (
diff --git a/pkg/system/mknod_windows.go b/pkg/system/mknod_windows.go
index 2e863c0..ba2692a 100644
--- a/pkg/system/mknod_windows.go
+++ b/pkg/system/mknod_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package system
 
 // Mknod is not implemented on Windows.
diff --git a/pkg/system/umask_windows.go b/pkg/system/umask_windows.go
index 13f1de1..71fc0f1 100644
--- a/pkg/system/umask_windows.go
+++ b/pkg/system/umask_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package system
 
 // Umask is not supported on the windows platform.
diff --git a/pkg/term/term_windows.go b/pkg/term/term_windows.go
index b6819b3..284ac63 100644
--- a/pkg/term/term_windows.go
+++ b/pkg/term/term_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package term
 
 import (
diff --git a/plugin/backend_linux.go b/plugin/backend_linux.go
index 28a6c18..1f2830a 100644
--- a/plugin/backend_linux.go
+++ b/plugin/backend_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package plugin
 
 import (
diff --git a/plugin/manager_linux.go b/plugin/manager_linux.go
index eff21e1..59066c1 100644
--- a/plugin/manager_linux.go
+++ b/plugin/manager_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package plugin
 
 import (
diff --git a/plugin/manager_solaris.go b/plugin/manager_solaris.go
deleted file mode 100644
index ac03d6e..0000000
--- a/plugin/manager_solaris.go
+++ /dev/null
@@ -1,30 +0,0 @@
-package plugin
-
-import (
-	"fmt"
-
-	"github.com/docker/docker/plugin/v2"
-	specs "github.com/opencontainers/runtime-spec/specs-go"
-)
-
-func (pm *Manager) enable(p *v2.Plugin, c *controller, force bool) error {
-	return fmt.Errorf("Not implemented")
-}
-
-func (pm *Manager) initSpec(p *v2.Plugin) (*specs.Spec, error) {
-	return nil, fmt.Errorf("Not implemented")
-}
-
-func (pm *Manager) disable(p *v2.Plugin, c *controller) error {
-	return fmt.Errorf("Not implemented")
-}
-
-func (pm *Manager) restore(p *v2.Plugin) error {
-	return fmt.Errorf("Not implemented")
-}
-
-// Shutdown plugins
-func (pm *Manager) Shutdown() {
-}
-
-func setupRoot(root string) error { return nil }
diff --git a/plugin/manager_windows.go b/plugin/manager_windows.go
index 56a7ee3..ac03d6e 100644
--- a/plugin/manager_windows.go
+++ b/plugin/manager_windows.go
@@ -1,5 +1,3 @@
-// +build windows
-
 package plugin
 
 import (
diff --git a/plugin/v2/plugin_linux.go b/plugin/v2/plugin_linux.go
index be82363..9590df4 100644
--- a/plugin/v2/plugin_linux.go
+++ b/plugin/v2/plugin_linux.go
@@ -1,5 +1,3 @@
-// +build linux
-
 package v2
 
 import (
diff --git a/vendor.conf b/vendor.conf
index 93a5038..78330a2 100644
--- a/vendor.conf
+++ b/vendor.conf
@@ -114,7 +114,7 @@
 github.com/stevvooe/ttrpc 76e68349ad9ab4d03d764c713826d31216715e4f
 
 # cluster
-github.com/docker/swarmkit 4429c763170d9ca96929249353c3270c19e7d39e
+github.com/docker/swarmkit a6519e28ff2a558f5d32b2dab9fcb0882879b398 
 github.com/gogo/protobuf v0.4
 github.com/cloudflare/cfssl 7fb22c8cba7ecaf98e4082d22d65800cf45e042a
 github.com/google/certificate-transparency d90e65c3a07988180c5b1ece71791c0b6506826e
diff --git a/vendor/github.com/docker/swarmkit/manager/allocator/cnmallocator/networkallocator.go b/vendor/github.com/docker/swarmkit/manager/allocator/cnmallocator/networkallocator.go
index 53f9ffb..b89e72e 100644
--- a/vendor/github.com/docker/swarmkit/manager/allocator/cnmallocator/networkallocator.go
+++ b/vendor/github.com/docker/swarmkit/manager/allocator/cnmallocator/networkallocator.go
@@ -404,6 +404,11 @@
 	vipLoop:
 		for _, vip := range s.Endpoint.VirtualIPs {
 			if na.IsVIPOnIngressNetwork(vip) && networkallocator.IsIngressNetworkNeeded(s) {
+				// This checks the condition when ingress network is needed
+				// but allocation has not been done.
+				if _, ok := na.services[s.ID]; !ok {
+					return false
+				}
 				continue vipLoop
 			}
 			for _, net := range specNetworks {
diff --git a/vendor/github.com/docker/swarmkit/manager/allocator/cnmallocator/portallocator.go b/vendor/github.com/docker/swarmkit/manager/allocator/cnmallocator/portallocator.go
index 19dcbec..7f3f1c1 100644
--- a/vendor/github.com/docker/swarmkit/manager/allocator/cnmallocator/portallocator.go
+++ b/vendor/github.com/docker/swarmkit/manager/allocator/cnmallocator/portallocator.go
@@ -324,9 +324,18 @@
 	}
 
 	portStates := allocatedPorts{}
+	hostTargetPorts := map[uint32]struct{}{}
 	for _, portState := range s.Endpoint.Ports {
-		if portState.PublishMode == api.PublishModeIngress {
+		switch portState.PublishMode {
+		case api.PublishModeIngress:
 			portStates.addState(portState)
+		case api.PublishModeHost:
+			// build a map of host mode ports we've seen. if in the spec we get
+			// a host port that's not in the service, then we need to do
+			// allocation. if we get the same target port but something else
+			// has changed, then HostPublishPortsNeedUpdate will cover that
+			// case. see docker/swarmkit#2376
+			hostTargetPorts[portState.TargetPort] = struct{}{}
 		}
 	}
 
@@ -344,18 +353,28 @@
 	// Iterate portConfigs with PublishedPort == 0 (low priority)
 	for _, portConfig := range s.Spec.Endpoint.Ports {
 		// Ignore ports which are not PublishModeIngress
-		if portConfig.PublishMode != api.PublishModeIngress {
-			continue
-		}
-		if portConfig.PublishedPort == 0 && portStates.delState(portConfig) == nil {
-			return false
-		}
+		switch portConfig.PublishMode {
+		case api.PublishModeIngress:
+			if portConfig.PublishedPort == 0 && portStates.delState(portConfig) == nil {
+				return false
+			}
 
-		// If SwarmPort was not defined by user and the func
-		// is called during allocator initialization state then
-		// we are not allocated.
-		if portConfig.PublishedPort == 0 && onInit {
-			return false
+			// If SwarmPort was not defined by user and the func
+			// is called during allocator initialization state then
+			// we are not allocated.
+			if portConfig.PublishedPort == 0 && onInit {
+				return false
+			}
+		case api.PublishModeHost:
+			// check if the target port is already in the port config. if it
+			// isn't, then it's our problem.
+			if _, ok := hostTargetPorts[portConfig.TargetPort]; !ok {
+				return false
+			}
+			// NOTE(dperny) there could be a further case where we check if
+			// there are host ports in the config that aren't in the spec, but
+			// that's only possible if there's a mismatch in the number of
+			// ports, which is handled by a length check earlier in the code
 		}
 	}
 
diff --git a/vendor/github.com/docker/swarmkit/manager/orchestrator/replicated/slot.go b/vendor/github.com/docker/swarmkit/manager/orchestrator/replicated/slot.go
index bdc25d9..cee9fe1 100644
--- a/vendor/github.com/docker/swarmkit/manager/orchestrator/replicated/slot.go
+++ b/vendor/github.com/docker/swarmkit/manager/orchestrator/replicated/slot.go
@@ -12,6 +12,8 @@
 func (is slotsByRunningState) Len() int      { return len(is) }
 func (is slotsByRunningState) Swap(i, j int) { is[i], is[j] = is[j], is[i] }
 
+// Less returns true if the first task should be preferred over the second task,
+// all other things being equal in terms of node balance.
 func (is slotsByRunningState) Less(i, j int) bool {
 	iRunning := false
 	jRunning := false
@@ -29,7 +31,19 @@
 		}
 	}
 
-	return iRunning && !jRunning
+	if iRunning && !jRunning {
+		return true
+	}
+
+	if !iRunning && jRunning {
+		return false
+	}
+
+	// Use Slot number as a tie-breaker to prefer to remove tasks in reverse
+	// order of Slot number. This would help us avoid unnecessary master
+	// migration when scaling down a stateful service because the master
+	// task of a stateful service is usually in a low numbered Slot.
+	return is[i][0].Slot < is[j][0].Slot
 }
 
 type slotWithIndex struct {