OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9f926b-0): addr:fe:7a:06:77:b3:1c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:86:b2:e5:a9:dc:d6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
