OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e95de2-0): addr:82:27:aa:0d:ee:06
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-9747d3-0): addr:36:b4:b4:5e:ee:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-e3793b-0): addr:c2:4d:eb:85:e8:66
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8e:a4:7d:32:9b:b8
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
