1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback XXX brd XXX inet XXX scope host lo valid_lft forever preferred_lft forever inet6 XXX scope host valid_lft forever preferred_lft forever 2: enp0s31f6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute enp0s31f6 valid_lft 1771sec preferred_lft 1771sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute wlp3s0 valid_lft 1767sec preferred_lft 1767sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global virbr0 valid_lft forever preferred_lft forever 5: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether XXX brd XXX 6: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether XXX brd XXX