OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8315df-0): addr:2e:ef:b3:cc:46:e7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-6b7ab1-0): addr:3e:83:7c:0e:11:ca
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-ff0ffa-0): addr:8e:db:5c:d7:98:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9e:0e:8d:a3:91:39
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
