OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a4db02-0): addr:ae:03:e0:a0:45:cf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-de5c2e-0): addr:f6:f1:45:3d:69:39
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0e:2b:38:6d:01:5b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
