OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ba88b5-0): addr:b2:38:63:19:ca:f6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-6cc741-0): addr:82:62:cf:c5:cc:df
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-fc5359-0): addr:46:de:f2:aa:bb:bd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:02:c8:16:fc:ca:ab
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
