OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fcc1b7-0): addr:b2:4c:6e:ee:ed:96
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0fd8bc-0): addr:0e:cf:01:12:3e:45
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:96:4a:da:29:b3:c0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
