OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-5b2b96-0): addr:62:13:86:f2:94:49
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-235d3e-0): addr:ea:94:9b:5a:8b:9d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-890783-0): addr:72:0b:50:0e:2e:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ba:7d:c6:1e:21:95
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
