I'm having the same problem except it will hang and will not successfully reboot or shutdown. It hangs and says there is a stop job running and it cycles through my nfs mounts continuously. If I umount from my nfs server before rebooting/shutdown it will work fine.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1431998 Title: stopping network-manager takes several seconds Status in network-manager package in Ubuntu: Confirmed Bug description: kubuntu 15.04 - when rebooting I'm getting on tty1 a stop job is running for network manager takes 10-15 secs to reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1431998/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp