OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-44eb1c-0): addr:f2:ee:3f:4a:21:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:56:f4:67:9a:01:e2
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
