OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f66079-0): addr:32:9d:20:bb:13:e7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-95d934-0): addr:ea:8e:48:e6:62:51
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-9bb5bd-0): addr:0a:d1:d3:b7:f0:69
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9a:c0:87:5f:12:f9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
