OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c519c3-0): addr:06:27:40:20:d4:1f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-6fe0b9-0): addr:0e:ff:ee:55:29:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-bcb997-0): addr:f2:0c:18:01:91:da
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:22:29:8f:b4:91
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
