OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-08bd3e-0): addr:6e:e7:94:ee:50:94
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b6:c3:3f:da:90:00
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
