ip a on workstation

a.rb

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UP qlen 1000
    link/ether 18:03:73:df:7d:4f brd ff:ff:ff:ff:ff:ff
    inet 169.254.8.6/16 brd 169.254.255.255 scope link eth0:avahi
    inet6 fe80::1a03:73ff:fedf:7d4f/64 scope link 
       valid_lft forever preferred_lft forever
3: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN 
    link/ether 1a:93:84:0c:d8:27 brd ff:ff:ff:ff:ff:ff
5: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP 
    link/ether 18:03:73:df:7d:4f brd ff:ff:ff:ff:ff:ff
    inet 10.70.61.108/24 brd 10.70.61.255 scope global br0
    inet6 fe80::1a03:73ff:fedf:7d4f/64 scope link 
       valid_lft forever preferred_lft forever
8: vnet1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 500
    link/ether fe:54:00:b5:4c:c6 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:feb5:4cc6/64 scope link 
       valid_lft forever preferred_lft forever
9: vnet2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 500
    link/ether fe:54:00:b5:4c:c7 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:feb5:4cc7/64 scope link 
       valid_lft forever preferred_lft forever
10: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 500
    link/ether fe:54:00:49:0a:9e brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe49:a9e/64 scope link 
       valid_lft forever preferred_lft forever
11: crowbar-br0: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
    link/ether 56:59:86:49:4f:46 brd ff:ff:ff:ff:ff:ff
    inet 192.168.124.1/24 scope global crowbar-br0
    inet6 fe80::fce7:7ff:fe25:5f1c/64 scope link 
       valid_lft forever preferred_lft forever