ubuntu@ubuntu:~$ cat /var/log/syslog | grep -i network | tail -n20
Feb  7 13:08:20 ubuntu NetworkManager[1453]: <info>  (wlp3s0): DHCPv4 state changed unknown -> bound
Feb  7 13:08:20 ubuntu NetworkManager[1453]: <info>  (wlp3s0): device state change: ip-config -> ip-check (reason 'none') [70 80 0]
Feb  7 13:08:20 ubuntu NetworkManager[1453]: <info>  (wlp3s0): device state change: ip-check -> secondaries (reason 'none') [80 90 0]
Feb  7 13:08:20 ubuntu NetworkManager[1453]: <info>  (wlp3s0): device state change: secondaries -> activated (reason 'none') [90 100 0]
Feb  7 13:08:20 ubuntu NetworkManager[1453]: <info>  Writing DNS information to /sbin/resolvconf
Feb  7 13:08:20 ubuntu NetworkManager[1453]: <info>  (wlp3s0): Activation: successful, device activated.
Feb  7 13:08:20 ubuntu systemd[1]: Starting Network Manager Script Dispatcher Service...
Feb  7 13:08:20 ubuntu systemd[1]: Started Network Manager Script Dispatcher Service.
Feb  7 13:08:33 ubuntu NetworkManager[1453]: <info>  (enp2s0): link disconnected (deferring action for 4 seconds)
Feb  7 13:08:37 ubuntu NetworkManager[1453]: <info>  (enp2s0): link disconnected (calling deferred action)
Feb  7 13:08:37 ubuntu NetworkManager[1453]: <info>  (enp2s0): device state change: activated -> unavailable (reason 'carrier-changed') [100 20 40]
Feb  7 13:08:37 ubuntu NetworkManager[1453]: <info>  (enp2s0): canceled DHCP transaction, DHCP client pid 1574
Feb  7 13:08:37 ubuntu NetworkManager[1453]: <info>  (enp2s0): DHCPv4 state changed bound -> done
Feb  7 13:08:37 ubuntu NetworkManager[1453]: <info>  NetworkManager state is now CONNECTED_LOCAL
Feb  7 13:08:37 ubuntu NetworkManager[1453]: <info>  NetworkManager state is now CONNECTED_GLOBAL
Feb  7 13:08:37 ubuntu NetworkManager[1453]: <info>  Policy set 'XXXX' (wlp3s0) as default for IPv4 routing and DNS.
Feb  7 13:08:37 ubuntu NetworkManager[1453]: <info>  Writing DNS information to /sbin/resolvconf
Feb  7 13:08:40 ubuntu whoopsie[1484]: [13:08:40] The default IPv4 route is: /org/freedesktop/NetworkManager/ActiveConnection/1
Feb  7 13:08:40 ubuntu whoopsie[1484]: [13:08:40] Not a paid data plan: /org/freedesktop/NetworkManager/ActiveConnection/1
Feb  7 13:08:40 ubuntu whoopsie[1484]: [13:08:40] Found usable connection: /org/freedesktop/NetworkManager/ActiveConnection/1