[  755.815856] br0: port 1(c1) entered blocking state
[  755.815944] br0: port 1(c1) entered disabled state
[  755.816010] c1: entered allmulticast mode
[  755.816093] c1: entered promiscuous mode
[  755.868656] br0: port 2(c2) entered blocking state
[  755.868720] br0: port 2(c2) entered disabled state
[  755.868776] c2: entered allmulticast mode
[  755.868846] c2: entered promiscuous mode
[  755.921387] br0: port 3(c3) entered blocking state
[  755.921482] br0: port 3(c3) entered disabled state
[  755.921560] c3: entered allmulticast mode
[  755.921643] c3: entered promiscuous mode
[  755.983418] br0: port 4(sender) entered blocking state
[  755.983502] br0: port 4(sender) entered disabled state
[  755.983576] sender: entered allmulticast mode
[  755.983691] sender: entered promiscuous mode
[  756.008956] br0: port 4(sender) entered blocking state
[  756.009028] br0: port 4(sender) entered forwarding state
[  756.009108] br0: port 3(c3) entered blocking state
[  756.009170] br0: port 3(c3) entered forwarding state
[  756.009229] br0: port 2(c2) entered blocking state
[  756.009287] br0: port 2(c2) entered forwarding state
[  756.009349] br0: port 1(c1) entered blocking state
[  756.009405] br0: port 1(c1) entered forwarding state
[  766.727348] br0: port 1(c1) entered disabled state
[  766.727816] c1 (unregistering): left allmulticast mode
[  766.727870] c1 (unregistering): left promiscuous mode
[  766.727919] br0: port 1(c1) entered disabled state
[  766.782364] br0: port 2(c2) entered disabled state
[  766.782841] c2 (unregistering): left allmulticast mode
[  766.782919] c2 (unregistering): left promiscuous mode
[  766.782962] br0: port 2(c2) entered disabled state
[  766.842282] br0: port 3(c3) entered disabled state
[  766.842610] c3 (unregistering): left allmulticast mode
[  766.842680] c3 (unregistering): left promiscuous mode
[  766.842726] br0: port 3(c3) entered disabled state
[  766.879277] br0: port 4(sender) entered disabled state
[  766.879599] sender (unregistering): left allmulticast mode
[  766.879662] sender (unregistering): left promiscuous mode
[  766.879715] br0: port 4(sender) entered disabled state