OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0e65d7-0): addr:16:90:75:33:6e:65
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-e231b2-0): addr:1a:62:b6:07:e0:bb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-8da812-0): addr:76:19:bb:ce:3c:78
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:66:41:e7:8d:80:a3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
