I believe this is harmless, but not really know ;) Attached part of bootlog file (journalctl -b), containing this error
** Attachment added: "boot-log-part" https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1728378/+attachment/5003784/+files/boot-log-part -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1728378 Title: NetworkManager: ((src/devices/nm-device.c:1452)): assertion '<dropped>' failed Status in network-manager package in Ubuntu: Confirmed Bug description: This error shows up in boot logs: "NetworkManager: ((src/devices/nm-device.c:1452)): assertion '<dropped>' failed". Ubuntu 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1728378/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
