OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-ed4816-0): addr:26:d7:64:54:c5:1c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8e:8f:36:ee:8f:1d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
