OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3fe6ed-0): addr:9e:bd:93:1e:ad:08
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:62:df:5e:df:19:7a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
