OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-4bdf93-0): addr:ae:9a:6b:11:b0:3d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 14(patch-br-int-to): addr:36:88:af:68:c1:f8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 15(tap44b4451c-db): addr:fe:16:3e:f7:60:ee
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 16(tapef3fe901-c0): addr:7a:85:ec:56:d7:ea
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 19(tap913d86d2-68): addr:fe:16:3e:c2:a8:ee
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 20(tap2194f0b2-00): addr:6a:86:98:bf:1f:ac
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:56:b7:06:62:01:a9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
