OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-7fdb26-0): addr:ee:6b:5c:d4:dd:08
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-faa306-0): addr:96:5c:47:ab:1f:43
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:52:81:1f:93:ab:89
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
