OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-dcbc06-0): addr:ea:8e:82:1f:06:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ca:c7:27:71:85:a7
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
