^Cbun@ubuntu:~$ sudo libvirtd
2016-09-21 20:49:11.797+0000: 3065: info : libvirt version: 2.2.0
2016-09-21 20:49:11.797+0000: 3065: info : hostname: ubuntu
2016-09-21 20:49:11.797+0000: 3065: error : virNetworkAssignDefLocked:568 : operation failed: network 'default' already exists with uuid 8fb42c06-6262-4d49-9dae-886046544cf1