ubuntu@leafeon:~$ ip a
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: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master broam state UP group default qlen 1000
    link/ether 1c:98:ec:21:98:54 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::1e98:ecff:fe21:9854/64 scope link 
       valid_lft forever preferred_lft forever
3: eno2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether 1c:98:ec:21:98:55 brd ff:ff:ff:ff:ff:ff
4: eno49: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 8c:dc:d4:b3:08:0c brd ff:ff:ff:ff:ff:ff
    inet 10.245.214.65/20 brd 10.245.223.255 scope global eno49
       valid_lft forever preferred_lft forever
    inet6 fe80::8edc:d4ff:feb3:80c/64 scope link 
       valid_lft forever preferred_lft forever
5: eno3: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether 1c:98:ec:21:98:56 brd ff:ff:ff:ff:ff:ff
6: eno4: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether 1c:98:ec:21:98:57 brd ff:ff:ff:ff:ff:ff
7: eno50: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 8c:dc:d4:b3:08:0d brd ff:ff:ff:ff:ff:ff
    inet6 fe80::8edc:d4ff:feb3:80d/64 scope link 
       valid_lft forever preferred_lft forever
8: ens1f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 00:11:0a:68:67:c8 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::211:aff:fe68:67c8/64 scope link 
       valid_lft forever preferred_lft forever
9: ens1f1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 00:11:0a:68:67:c9 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::211:aff:fe68:67c9/64 scope link 
       valid_lft forever preferred_lft forever
10: broam: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 1c:98:ec:21:98:54 brd ff:ff:ff:ff:ff:ff
    inet 10.244.40.30/21 brd 10.244.47.255 scope global broam
       valid_lft forever preferred_lft forever
    inet 10.244.40.34/32 brd 10.244.47.255 scope global broam
       valid_lft forever preferred_lft forever
    inet6 fe80::1e98:ecff:fe21:9854/64 scope link 
       valid_lft forever preferred_lft forever
11: brinternal: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 8c:dc:d4:b3:08:0d brd ff:ff:ff:ff:ff:ff
    inet 192.168.33.21/25 brd 192.168.33.127 scope global brinternal
       valid_lft forever preferred_lft forever
    inet6 fe80::8edc:d4ff:feb3:80d/64 scope link 
       valid_lft forever preferred_lft forever
12: eno50.2733@eno50: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master brinternal state UP group default qlen 1000
    link/ether 8c:dc:d4:b3:08:0d brd ff:ff:ff:ff:ff:ff
    inet6 fe80::8edc:d4ff:feb3:80d/64 scope link 
       valid_lft forever preferred_lft forever
270: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:31:eb:e7 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe31:ebe7/64 scope link 
       valid_lft forever preferred_lft forever
271: vnet1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:53:65:7f brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe53:657f/64 scope link 
       valid_lft forever preferred_lft forever
272: vnet2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:91:ac:1e brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe91:ac1e/64 scope link 
       valid_lft forever preferred_lft forever
273: vnet3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:98:a2:8a brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe98:a28a/64 scope link 
       valid_lft forever preferred_lft forever
274: vnet4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:49:9f:9c brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe49:9f9c/64 scope link 
       valid_lft forever preferred_lft forever
275: vnet5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:37:b0:78 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe37:b078/64 scope link 
       valid_lft forever preferred_lft forever
276: vnet6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:8f:2d:ec brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe8f:2dec/64 scope link 
       valid_lft forever preferred_lft forever
277: vnet7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:fd:75:f1 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fefd:75f1/64 scope link 
       valid_lft forever preferred_lft forever
278: vnet8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:b3:63:a2 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:feb3:63a2/64 scope link 
       valid_lft forever preferred_lft forever
279: vnet9: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master broam state UNKNOWN group default qlen 1000
    link/ether fe:54:00:11:20:e2 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe11:20e2/64 scope link 
       valid_lft forever preferred_lft forever
280: vnet10: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master brinternal state UNKNOWN group default qlen 1000
    link/ether fe:54:00:de:2d:17 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fede:2d17/64 scope link 

-------------------------------------------------------

$ virsh net-list
 Name                 State      Autostart     Persistent
----------------------------------------------------------
 maas                 active     yes           yes


$ virsh net-dumpxml maas
<network connections='9'>
  <name>maas</name>
  <uuid>b77db144-4bec-4850-af3e-f25561d88bad</uuid>
  <forward mode='bridge'/>
  <bridge name='broam'/>
</network>