OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e98707-0): addr:c2:90:0b:de:ab:5f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5a:61:b2:13:56:dc
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
