Imports github.com/sirupsen/logrus mynewt.apache.org/newt/util mynewt.apache.org/newtmgr/nmxact/nmble mynewt.apache.org/newtmgr/nmxact/nmxutil mynewt.apache.org/newtmgr/nmxact/sesn mynewt.apache.org/newtmgr/nmxact/xport Standard library imports fmt os os/signal syscall