listen for kernel logs
usage: fx klog [--raw] [-r | --remote-symbols] --raw do not attempt to symbolize the log --remote-symbols|-r attemp to resolve symbols using predefined remote symbol servers for symbols that cannot be resolved locally. See `fx help symbolize` for more information on remote symbol servers. This command delegates to the Zircon `loglistener` binary. It will listen to the device specified with `fx -d DEVICE klog` or `fx set-device`, otherwise one of the devices on the link-local network.