make sure another rig isn't also talking before proceeding to SMB (#670)
make sure another rig isn't also talking before proceeding to SMB (#670)


openaps/oref0,PieterGit/oref0,openaps/oref0,openaps/oref0,PieterGit/oref0,PieterGit/oref0,PieterGit/oref0,openaps/oref0