PPPoE - dziwne logi koncentratora PPPoE

[Krzysztof Szwaba]

Sep 30 08:09:44 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:45 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:45 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:45 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:45 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:45 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:46 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:46 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:46 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:46 gw2-v0003 pppoe-server[6686]: PADT for session 293 received from 00:1E:E5:96:20:C7; should be from 00:0E:8E:1A:1B:4E
Sep 30 08:09:48 gw2-v0003 pppoe-server[31271]: Session 284 created for client 00:0e:8e:1a:1b:4e (10.67.16.28) on eth1.15 using Service-Name 'gw2-kasz'

pojawiają się okresowo dla różnych adresów MAC

kernel-2.6.25.4-0.2.i586
rp-pppoe-3.8-1.i586

PLD 2.0 AC

Co może być przyczyną takich wpisów ?
Z góry dziękuję za pomoc.

Krzysztof