Error: Context deadline exceeded

General
#1
  1. My goal is: Use mos config-get or mos wifi SSID password command
  2. My actions are: C:\mos\mqtt_auto_esp8266>mos config-get
  3. The result I see is:
    C:\mos\mqtt_auto_esp8266>mos config-get
    Using port COM5
    Error: context deadline exceeded
    /go/src/github.com/mongoose-os/mos/common/mgrpc/codec/stream.go:331:
    /go/src/github.com/mongoose-os/mos/common/mgrpc/mgrpc.go:399:
    /go/src/github.com/mongoose-os/mos/mos/dev/dev_conn_impl.go:167:
    /go/src/github.com/mongoose-os/mos/mos/dev/dev_conn_impl.go:190:
    /go/src/github.com/mongoose-os/mos/mos/dev/dev_conn.go:117:
    /go/src/github.com/mongoose-os/mos/mos/config/config.go:57:
    /go/src/github.com/mongoose-os/mos/mos/main.go:196: config-get failed

C:\mos\mqtt_auto_esp8266>mos wifi mywifi mypassword
Using port COM5
Getting configuration…
Error: context deadline exceeded
/go/src/github.com/mongoose-os/mos/common/mgrpc/codec/stream.go:3
/go/src/github.com/mongoose-os/mos/common/mgrpc/mgrpc.go:399:
/go/src/github.com/mongoose-os/mos/mos/dev/dev_conn_impl.go:167:
/go/src/github.com/mongoose-os/mos/mos/dev/dev_conn_impl.go:190:
/go/src/github.com/mongoose-os/mos/mos/dev/dev_conn.go:117:
/go/src/github.com/mongoose-os/mos/mos/config/config.go:86:
/go/src/github.com/mongoose-os/mos/mos/main.go:196: wifi failed