OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-af798f-0): addr:d6:88:3a:6b:06:ed
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-4d5802-0): addr:4e:73:84:81:db:43
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fe:b0:2f:03:e4:06
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
