OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0e65d7-0): addr:fa:e0:6b:15:23:7c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-cbaa5e-0): addr:ba:6c:68:14:a7:68
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-8da812-0): addr:52:df:12:5a:4f:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:62:ec:bf:ac:be
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
