OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d37e1a-0): addr:f2:a6:83:c2:3f:66
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:e4:d4:6b:56:8d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
