src/connectivity/network/netstack3/sysmgr/netstack3.config

{
  "services": {
    "fuchsia.net.icmp.Provider": "fuchsia-pkg://fuchsia.com/netstack3#meta/netstack3.cmx",
    "fuchsia.net.stack.Stack": "fuchsia-pkg://fuchsia.com/netstack3#meta/netstack3.cmx",
    "fuchsia.posix.socket.Provider": "fuchsia-pkg://fuchsia.com/netstack3#meta/netstack3.cmx"
  }
}