[  741.899295] br0: port 1(c1) entered blocking state
[  741.899359] br0: port 1(c1) entered disabled state
[  741.899410] c1: entered allmulticast mode
[  741.899477] c1: entered promiscuous mode
[  741.949782] br0: port 2(c2) entered blocking state
[  741.949855] br0: port 2(c2) entered disabled state
[  741.949925] c2: entered allmulticast mode
[  741.950009] c2: entered promiscuous mode
[  742.001038] br0: port 3(c3) entered blocking state
[  742.001110] br0: port 3(c3) entered disabled state
[  742.001174] c3: entered allmulticast mode
[  742.001250] c3: entered promiscuous mode
[  742.053612] br0: port 4(sender) entered blocking state
[  742.053698] br0: port 4(sender) entered disabled state
[  742.053770] sender: entered allmulticast mode
[  742.053883] sender: entered promiscuous mode
[  742.074327] br0: port 4(sender) entered blocking state
[  742.074392] br0: port 4(sender) entered forwarding state
[  742.074443] br0: port 3(c3) entered blocking state
[  742.074482] br0: port 3(c3) entered forwarding state
[  742.074520] br0: port 2(c2) entered blocking state
[  742.074559] br0: port 2(c2) entered forwarding state
[  742.074603] br0: port 1(c1) entered blocking state
[  742.074650] br0: port 1(c1) entered forwarding state
[  752.820066] br0: port 1(c1) entered disabled state
[  752.820404] c1 (unregistering): left allmulticast mode
[  752.820458] c1 (unregistering): left promiscuous mode
[  752.820501] br0: port 1(c1) entered disabled state
[  752.869087] br0: port 2(c2) entered disabled state
[  752.869444] c2 (unregistering): left allmulticast mode
[  752.869514] c2 (unregistering): left promiscuous mode
[  752.869559] br0: port 2(c2) entered disabled state
[  752.922064] br0: port 3(c3) entered disabled state
[  752.922524] c3 (unregistering): left allmulticast mode
[  752.922611] c3 (unregistering): left promiscuous mode
[  752.922677] br0: port 3(c3) entered disabled state
[  752.976131] br0: port 4(sender) entered disabled state
[  752.976486] sender (unregistering): left allmulticast mode
[  752.976538] sender (unregistering): left promiscuous mode
[  752.976576] br0: port 4(sender) entered disabled state