OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-354335-0): addr:7e:e2:fe:07:05:db
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-e62eff-0): addr:f6:60:80:1e:b8:be
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-5ccad6-0): addr:26:34:76:11:3f:64
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:72:29:f9:35:39:42
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
