OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-09bf9f-0): addr:46:6f:fd:2b:8e:25
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0ce377-0): addr:ea:3f:33:57:6f:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-b6bccc-0): addr:d6:34:d7:4f:51:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ea:00:fb:08:98:c7
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
