OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-66ae00-0): addr:f2:5d:ae:b4:3a:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:42:c1:4a:67:d1:00
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
