OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a8e4d1-0): addr:3a:4b:07:f1:4a:e6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-6a14c3-0): addr:8e:35:3b:ed:0a:99
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-b6cd3d-0): addr:c6:ed:ac:2c:ed:fc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ea:54:eb:4e:d0:fc
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
