OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f0bd48-0): addr:5a:c0:df:2e:30:8d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-ce4b29-0): addr:2e:3c:8f:f4:89:00
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-74526b-0): addr:be:5e:51:39:5d:68
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:22:fc:9d:f8:4f:4a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
