OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8ea35f-0): addr:22:c0:d9:80:af:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-05f335-0): addr:f6:a2:72:72:a2:0d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ee:d6:c1:c1:60:07
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
