OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-86ad36-0): addr:46:16:f1:13:bb:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-4e0a71-0): addr:76:8d:50:ce:eb:33
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-b7d14e-0): addr:86:e0:67:7d:df:27
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:8c:06:0e:3e:5c
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
