OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3e0272-0): addr:16:ab:f0:bd:fd:94
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-092f06-0): addr:96:57:19:46:83:9d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fe:fe:93:6d:9a:8c
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
