OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1e4f58-0): addr:b2:11:dc:3b:86:85
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6e:ac:fa:e9:d4:58
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
