1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovs-system state UP group default qlen 1000
    link/ether 52:54:00:3e:73:f8 brd ff:ff:ff:ff:ff:ff
7: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether a6:e4:24:6e:69:05 brd ff:ff:ff:ff:ff:ff
8: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether 52:54:00:3e:73:f8 brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.100/24 brd 192.168.122.255 scope global noprefixroute br-ex
       valid_lft forever preferred_lft forever
9: vlan20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether 52:a6:1e:73:a5:00 brd ff:ff:ff:ff:ff:ff
    inet 172.17.0.100/24 brd 172.17.0.255 scope global noprefixroute vlan20
       valid_lft forever preferred_lft forever
10: vlan21: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether 22:af:c2:12:c8:74 brd ff:ff:ff:ff:ff:ff
    inet 172.18.0.100/24 brd 172.18.0.255 scope global noprefixroute vlan21
       valid_lft forever preferred_lft forever
11: vlan22: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether 42:70:bb:0f:29:6a brd ff:ff:ff:ff:ff:ff
    inet 172.19.0.100/24 brd 172.19.0.255 scope global noprefixroute vlan22
       valid_lft forever preferred_lft forever
12: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 8a:c5:b3:f3:08:a1 brd ff:ff:ff:ff:ff:ff
16: genev_sys_6081: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65000 qdisc noqueue master ovs-system state UNKNOWN group default qlen 1000
    link/ether 8e:b2:28:a3:45:fe brd ff:ff:ff:ff:ff:ff
    inet6 fe80::8cb2:28ff:fea3:45fe/64 scope link 
       valid_lft forever preferred_lft forever
default via 192.168.122.1 dev br-ex proto static 
172.17.0.0/24 dev vlan20 proto kernel scope link src 172.17.0.100 metric 801 
172.18.0.0/24 dev vlan21 proto kernel scope link src 172.18.0.100 metric 802 
172.19.0.0/24 dev vlan22 proto kernel scope link src 172.19.0.100 metric 803 
192.168.122.0/24 dev br-ex proto kernel scope link src 192.168.122.100 metric 800