OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-958ed8-0): addr:0e:50:07:74:ad:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6e:29:3e:f4:26:ed
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
