OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-28df23-0): addr:22:f2:aa:fa:96:8a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f2:57:4d:25:6a:75
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
