系统日志这个是什么意思？

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1 2013-10-28 01:08:20 kernel: [69707.082896] vwan16: received packet on wan1.7 with own address as source address  
2 2013-10-28 01:08:20 kernel: [69707.082891] wan1: received packet on eth1 with own address as source address  
3 2013-10-28 01:08:20 kernel: [69707.082867] vwan15: received packet on wan1.6 with own address as source address  
4 2013-10-28 01:08:20 kernel: [69707.082861] wan1: received packet on eth1 with own address as source address  
5 2013-10-28 01:08:20 kernel: [69707.082838] vwan14: received packet on wan1.5 with own address as source address  
6 2013-10-28 01:08:20 kernel: [69707.082832] wan1: received packet on eth1 with own address as source address  
7 2013-10-28 01:08:20 kernel: [69707.082803] vwan13: received packet on wan1.4 with own address as source address  
8 2013-10-28 01:08:20 kernel: [69707.082798] wan1: received packet on eth1 with own address as source address  
9 2013-10-28 01:08:20 kernel: [69707.082771] vwan11: received packet on wan1.2 with own address as source address  
10 2013-10-28 01:08:20 kernel: [69707.082762] wan1: received packet on eth1 with own address as source address  
11 2013-10-28 01:08:20 kernel: [69707.082757] net_ratelimit: 3 callbacks suppressed  
12 2013-10-28 01:06:13 kernel: [69580.884068] wan1: received packet on eth1 with own address as source address  
13 2013-10-28 01:06:13 kernel: [69580.884044] vwan14: received packet on wan1.5 with own address as source address  
14 2013-10-28 01:06:13 kernel: [69580.884038] wan1: received packet on eth1 with own address as source address  
15 2013-10-28 01:06:13 kernel: [69580.884011] vwan13: received packet on wan1.4 with own address as source address  
16 2013-10-28 01:06:13 kernel: [69580.884005] wan1: received packet on eth1 with own address as source address  
17 2013-10-28 01:06:13 kernel: [69580.883980] vwan12: received packet on wan1.3 with own address as source address  
18 2013-10-28 01:06:13 kernel: [69580.883974] wan1: received packet on eth1 with own address as source address  
19 2013-10-28 01:06:13 kernel: [69580.883945] vwan11: received packet on wan1.2 with own address as source address  
20 2013-10-28 01:06:13 kernel: [69580.883936] wan1: received packet on eth1 with own address as source address  
21 2013-10-28 01:06:05 kernel: [69572.353295] net_ratelimit: 2 callbacks suppressed  
22 2013-10-28 01:04:07 kernel: [69454.697491] vwan15: received packet on wan1.6 with own address as source address  
23 2013-10-28 01:04:07 kernel: [69454.697485] wan1: received packet on eth1 with own address as source address  
24 2013-10-28 01:04:07 kernel: [69454.697462] vwan14: received packet on wan1.5 with own address as source address  
25 2013-10-28 01:04:07 kernel: [69454.697456] wan1: received packet on eth1 with own address as source address  
26 2013-10-28 01:04:07 kernel: [69454.697428] vwan13: received packet on wan1.4 with own address as source address  
27 2013-10-28 01:04:07 kernel: [69454.697423] wan1: received packet on eth1 with own address as source address  
28 2013-10-28 01:04:07 kernel: [69454.697398] vwan12: received packet on wan1.3 with own address as source address  
29 2013-10-28 01:04:07 kernel: [69454.697392] wan1: received packet on eth1 with own address as source address  
30 2013-10-28 01:04:07 kernel: [69454.697363] vwan11: received packet on wan1.2 with own address as source address  
31 2013-10-28 01:04:07 kernel: [69454.697355] wan1: received packet on eth1 with own address as source address  
32 2013-10-28 01:04:07 kernel: [69454.697351] net_ratelimit: 2 callbacks suppressed  
33 2013-10-28 01:02:01 kernel: [69328.513870] vwan15: received packet on wan1.6 with own address as source address  
34 2013-10-28 01:02:01 kernel: [69328.513865] wan1: received packet on eth1 with own address as source address  
35 2013-10-28 01:02:01 kernel: [69328.513841] vwan14: received packet on wan1.5 with own address as source address  
36 2013-10-28 01:02:01 kernel: [69328.513835] wan1: received packet on eth1 with own address as source address  
37 2013-10-28 01:02:01 kernel: [69328.513810] vwan13: received packet on wan1.4 with own address as source address  
38 2013-10-28 01:02:01 kernel: [69328.513804] wan1: received packet on eth1 with own address as source address  
39 2013-10-28 01:02:01 kernel: [69328.513776] vwan12: received packet on wan1.3 with own address as source address  
40 2013-10-28 01:02:01 kernel: [69328.513770] wan1: received packet on eth1 with own address as source address  
41 2013-10-28 01:02:01 kernel: [69328.513739] vwan11: received packet on wan1.2 with own address as source address