OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-86ad36-0): addr:7e:ba:c7:15:7a:6c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-f644a1-0): addr:ea:11:b1:5d:8d:8b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-b7d14e-0): addr:fe:56:4f:cc:15:53
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c2:c3:33:db:e4:fe
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
