OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ea7603-0): addr:de:2e:21:0e:62:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-f628e0-0): addr:b2:03:28:10:3d:38
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3a:60:29:39:0d:7f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
