root@maas-server:~# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
    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: ens11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 52:54:00:e5:e1:15 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::5054:ff:fee5:e115/64 scope link 
       valid_lft forever preferred_lft forever
3: vlan410@ens11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 52:54:00:e5:e1:15 brd ff:ff:ff:ff:ff:ff
    inet 10.0.10.250/23 brd 10.0.11.255 scope global vlan410
       valid_lft forever preferred_lft forever
    inet6 fe80::5054:ff:fee5:e115/64 scope link 
       valid_lft forever preferred_lft forever
4: vlan440@ens11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 52:54:00:e5:e1:15 brd ff:ff:ff:ff:ff:ff
    inet 192.168.40.250/24 brd 192.168.40.255 scope global vlan440
       valid_lft forever preferred_lft forever
    inet6 fe80::5054:ff:fee5:e115/64 scope link 
       valid_lft forever preferred_lft forever
5: vlan450@ens11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 52:54:00:e5:e1:15 brd ff:ff:ff:ff:ff:ff
    inet 192.168.50.250/24 brd 192.168.50.255 scope global vlan450
       valid_lft forever preferred_lft forever
    inet6 fe80::5054:ff:fee5:e115/64 scope link 
       valid_lft forever preferred_lft forever
6: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 52:54:00:64:0e:b7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
       valid_lft forever preferred_lft forever
7: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN group default qlen 1000
    link/ether 52:54:00:64:0e:b7 brd ff:ff:ff:ff:ff:ff