ptpdump does not work well with VLANs
When WR-PTP works on VLANs, the ptpdump does not recognize sent PTP messages, see:
TIMEDELTA: 852 ms
TIME: (1534925110 - 0x5b7d1936) 08:05:10.302098
VLAN 20
ETH: 88f7 (00:1b:c5:09:0f:28 -> 01:1b:19:00:00:00)
VERSION: 2 (type 1, len 44, domain 0)
FLAGS: 0x0000 (correction 00000000)
PORT: 00-1b-c5-ff-fe-09-0f-28-00-01
REST: seq 21774, ctrl 1, log-interval 127
MESSAGE: (E) DELAY_REQ
MSG-DELAY_REQ: 1534925147.330073904
DUMP: payload (size 46)
DUMP: 01 02 00 2c 00 00 00 00 00 00 00 00 00 00 00 00
DUMP: 00 00 00 00 00 1b c5 ff fe 09 0f 28 00 01 55 0e
DUMP: 01 7f 00 00 5b 7d 19 5b 13 ac 87 30 00 03
TIMEDELTA: 6 ms
TIME: (1534925110 - 0x5b7d1936) 08:05:10.308614
VLAN 20
ETH: 8100 (00:1b:c5:09:02:e4 -> 01:1b:19:00:00:00)
VERSION: unsupported (4)
DUMP: payload (size 58)
DUMP: 00 14 88 f7 09 02 00 36 00 00 00 00 00 00 00 00
DUMP: 00 01 2c cc 00 00 00 00 00 1b c5 ff fe 09 02 e4
DUMP: 00 08 55 0e 03 00 00 00 5b 7d 19 5b 13 b3 4b 50
DUMP: 00 1b c5 ff fe 09 0f 28 00 01
TIMEDELTA: 32 ms
TIME: (1534925110 - 0x5b7d1936) 08:05:10.340654
VLAN 20
ETH: 8100 (00:1b:c5:09:02:e4 -> 01:1b:19:00:00:00)
VERSION: unsupported (4)
DUMP: payload (size 50)
DUMP: 00 14 88 f7 00 02 00 2c 00 00 02 00 00 00 00 00
DUMP: 00 00 00 00 00 00 00 00 00 1b c5 ff fe 09 02 e4
DUMP: 00 08 24 f9 00 00 00 00 5b 7d 19 5b 15 e8 98 40
DUMP: 00 1b
TIMEDELTA: 11 ms
TIME: (1534925110 - 0x5b7d1936) 08:05:10.351432
VLAN 20
ETH: 8100 (00:1b:c5:09:02:e4 -> 01:1b:19:00:00:00)
VERSION: unsupported (4)
DUMP: payload (size 50)
DUMP: 00 14 88 f7 08 02 00 2c 00 00 00 00 00 00 00 00
DUMP: 00 00 00 00 00 00 00 00 00 1b c5 ff fe 09 02 e4
DUMP: 00 08 24 f9 02 00 00 00 5b 7d 19 5b 15 f1 61 c0
DUMP: 00 1b
TIMEDELTA: 612 ms
TIME: (1534925110 - 0x5b7d1936) 08:05:10.963374
VLAN 20
ETH: 88f7 (00:1b:c5:09:0f:28 -> 01:1b:19:00:00:00)
VERSION: 2 (type 1, len 44, domain 0)
FLAGS: 0x0000 (correction 00000000)
PORT: 00-1b-c5-ff-fe-09-0f-28-00-01
REST: seq 21775, ctrl 1, log-interval 127
MESSAGE: (E) DELAY_REQ
MSG-DELAY_REQ: 1534925147.991217808
DUMP: payload (size 46)
DUMP: 01 02 00 2c 00 00 00 00 00 00 00 00 00 00 00 00
DUMP: 00 00 00 00 00 1b c5 ff fe 09 0f 28 00 01 55 0f
DUMP: 01 7f 00 00 5b 7d 19 5b 3b 14 c8 90 00 03
TIMEDELTA: 5 ms
TIME: (1534925110 - 0x5b7d1936) 08:05:10.968932
VLAN 20
ETH: 8100 (00:1b:c5:09:02:e4 -> 01:1b:19:00:00:00)
VERSION: unsupported (4)
DUMP: payload (size 58)
DUMP: 00 14 88 f7 09 02 00 36 00 00 00 00 00 00 00 00
DUMP: 00 01 2d 0e 00 00 00 00 00 1b c5 ff fe 09 02 e4
DUMP: 00 08 55 0f 03 00 00 00 5b 7d 19 5b 3b 1d 02 f0
DUMP: 00 1b c5 ff fe 09 0f 28 00 01