OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c01d96-0): addr:46:88:05:b8:82:94
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c3c374-0): addr:06:37:8c:94:11:18
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:86:cb:7c:a2:63:b6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
