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 promiscuity 0 allmulti 0 minmtu 0 maxmtu 0 numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 524280 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536 
    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 52:54:00:9d:9e:a9 brd ff:ff:ff:ff:ff:ff promiscuity 1 allmulti 0 minmtu 68 maxmtu 65535 
    openvswitch_slave numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536 parentbus virtio parentdev virtio1 
3: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether f6:2b:68:fe:0b:fe brd ff:ff:ff:ff:ff:ff promiscuity 1 allmulti 0 minmtu 68 maxmtu 65535 
    openvswitch numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536 
4: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether 52:54:00:9d:9e:a9 brd ff:ff:ff:ff:ff:ff promiscuity 1 allmulti 0 minmtu 68 maxmtu 65535 
    openvswitch numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536 
    inet 192.168.122.100/24 brd 192.168.122.255 scope global noprefixroute br-ex
       valid_lft forever preferred_lft forever
5: vlan22: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether f2:28:a2:dc:bd:91 brd ff:ff:ff:ff:ff:ff promiscuity 1 allmulti 0 minmtu 68 maxmtu 65535 
    openvswitch numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536 
    inet 172.19.0.100/24 brd 172.19.0.255 scope global noprefixroute vlan22
       valid_lft forever preferred_lft forever
6: vlan20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether e2:1c:a6:3b:44:3e brd ff:ff:ff:ff:ff:ff promiscuity 1 allmulti 0 minmtu 68 maxmtu 65535 
    openvswitch numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536 
    inet 172.17.0.100/24 brd 172.17.0.255 scope global noprefixroute vlan20
       valid_lft forever preferred_lft forever
7: vlan21: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether fe:88:7c:7b:cf:52 brd ff:ff:ff:ff:ff:ff promiscuity 1 allmulti 0 minmtu 68 maxmtu 65535 
    openvswitch numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536 
    inet 172.18.0.100/24 brd 172.18.0.255 scope global noprefixroute vlan21
       valid_lft forever preferred_lft forever
8: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 1a:ce:2b:bd:8f:41 brd ff:ff:ff:ff:ff:ff promiscuity 1 allmulti 0 minmtu 68 maxmtu 65535 
    openvswitch numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536 
9: genev_sys_6081: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65000 qdisc noqueue master ovs-system state UNKNOWN group default qlen 1000
    link/ether 42:9d:e7:ba:6b:78 brd ff:ff:ff:ff:ff:ff promiscuity 1 allmulti 0 minmtu 68 maxmtu 65465 
    geneve external id 0 ttl auto dstport 6081 udp6zerocsumrx 
    openvswitch_slave numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536 
    inet6 fe80::409d:e7ff:feba:6b78/64 scope link 
       valid_lft forever preferred_lft forever
