If I have my RPi3 connected with ethernet, both the ethernet and the WiFi interface works. I can connect with ssh, no problem. If I remove the ethernet cable, the ssh session over WiFi dies. I plug the ethernet cable back in, the WiFi connection comes alive again (same session, as before) Can be rep...

I've just got my camera and I'm trying to get motion running with the pi camera.
What setting are you using in motion.conf for videodevice?

I had the same problem. The syslog indicated problems with the 'restrict' lines in ntp.conf, so I tried without;
# Local users may interrogate the ntp server more closely.
#restrict 127.0.0.1
#restrict ::1
/> service ntp restart

Problem solved

I have the same problem, but for me a ' service squeezelite restart ' is sufficient to solve the problem. My NAS is not part of the equation, as I more or less only use the RPi with the Spotify plugin. I now have the restart as a cronjob ... I've tried to look at the log, but fails to see a pattern....