OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-810690-0): addr:d6:98:7c:a9:07:b9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-1685b9-0): addr:ea:25:9c:89:78:4c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-8794ae-0): addr:62:34:75:2a:9c:31
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:92:ae:4d:4d:7d:c9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
