OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fed7b7-0): addr:f6:88:35:1d:a2:e2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:72:b0:e0:b7:25:b0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
