Comment 8 for bug 1465196

Occurs consistently on my Xubuntu 16.04 installation. It did infrequently until a few days ago (I don't know exactly).

[ 14.850019] systemd[1]: network-online.target: Found ordering cycle on network-online.target/start
[ 14.850024] systemd[1]: network-online.target: Found dependency on NetworkManager-wait-online.service/start
[ 14.850027] systemd[1]: network-online.target: Found dependency on basic.target/start
[ 14.850029] systemd[1]: network-online.target: Found dependency on sockets.target/start
[ 14.850030] systemd[1]: network-online.target: Found dependency on acpid.socket/start
[ 14.850032] systemd[1]: network-online.target: Found dependency on sysinit.target/start
[ 14.850033] systemd[1]: network-online.target: Found dependency on open-iscsi.service/start
[ 14.850035] systemd[1]: network-online.target: Found dependency on network-online.target/start
[ 14.850037] systemd[1]: network-online.target: Breaking ordering cycle by deleting job NetworkManager-wait-online.service/start
[ 14.850039] systemd[1]: NetworkManager-wait-online.service: Job NetworkManager-wait-online.service/start deleted to break ordering cycle starting with network-online.target/start
[ 14.850092] systemd[1]: network.target: Found ordering cycle on network.target/start
[ 14.850094] systemd[1]: network.target: Found dependency on NetworkManager.service/start
[ 14.850096] systemd[1]: network.target: Found dependency on basic.target/start
[ 14.850098] systemd[1]: network.target: Found dependency on sockets.target/start
[ 14.850099] systemd[1]: network.target: Found dependency on acpid.socket/start
[ 14.850101] systemd[1]: network.target: Found dependency on sysinit.target/start
[ 14.850102] systemd[1]: network.target: Found dependency on open-iscsi.service/start
[ 14.850104] systemd[1]: network.target: Found dependency on network-online.target/start
[ 14.850105] systemd[1]: network.target: Found dependency on network.target/start
[ 14.850107] systemd[1]: network.target: Breaking ordering cycle by deleting job NetworkManager.service/start
[ 14.850109] systemd[1]: NetworkManager.service: Job NetworkManager.service/start deleted to break ordering cycle starting with network.target/start