OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b343eb-0): addr:62:c8:36:38:5d:a7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c09a60-0): addr:a6:bd:f4:d5:46:cc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fe:28:82:da:72:01
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
