OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e5fcb5-0): addr:da:b4:fa:6a:aa:b7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-8e4a2e-0): addr:5a:81:66:ef:3e:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:66:b3:6c:6a:e4:e1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
