OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-44bd5b-0): addr:f6:02:b3:fe:c2:7d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-368b6f-0): addr:be:a6:07:e4:54:f4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-cc140a-0): addr:d2:30:a9:6e:ca:e5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2a:7f:88:65:de:09
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
