OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3fe4f6-0): addr:0e:54:07:a7:6d:eb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:7a:f8:df:3a:f3:a8
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
