OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-22847e-0): addr:6e:a8:32:7f:32:b3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:12:e6:18:c1:3e:f7
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
