OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ea3546-0): addr:aa:1b:68:c7:47:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:63:1e:59:bd:0a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
