OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0be0c9-0): addr:e6:d0:3d:93:f4:ca
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-2e3a84-0): addr:fe:ae:3f:04:ce:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e6:19:84:50:7a:b7
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
