[  743.107269] br0: port 1(c1) entered blocking state
[  743.107340] br0: port 1(c1) entered disabled state
[  743.107395] c1: entered allmulticast mode
[  743.107492] c1: entered promiscuous mode
[  743.164019] br0: port 2(c2) entered blocking state
[  743.164146] br0: port 2(c2) entered disabled state
[  743.164230] c2: entered allmulticast mode
[  743.164334] c2: entered promiscuous mode
[  743.222077] br0: port 3(c3) entered blocking state
[  743.222149] br0: port 3(c3) entered disabled state
[  743.222210] c3: entered allmulticast mode
[  743.222277] c3: entered promiscuous mode
[  743.278826] br0: port 4(sender) entered blocking state
[  743.278899] br0: port 4(sender) entered disabled state
[  743.278958] sender: entered allmulticast mode
[  743.279060] sender: entered promiscuous mode
[  743.303176] br0: port 4(sender) entered blocking state
[  743.303243] br0: port 4(sender) entered forwarding state
[  743.303292] br0: port 3(c3) entered blocking state
[  743.303337] br0: port 3(c3) entered forwarding state
[  743.303383] br0: port 2(c2) entered blocking state
[  743.303447] br0: port 2(c2) entered forwarding state
[  743.303486] br0: port 1(c1) entered blocking state
[  743.303528] br0: port 1(c1) entered forwarding state
[  754.018271] br0: port 1(c1) entered disabled state
[  754.018719] c1 (unregistering): left allmulticast mode
[  754.018784] c1 (unregistering): left promiscuous mode
[  754.018837] br0: port 1(c1) entered disabled state
[  754.061279] br0: port 2(c2) entered disabled state
[  754.061528] c2 (unregistering): left allmulticast mode
[  754.061576] c2 (unregistering): left promiscuous mode
[  754.061616] br0: port 2(c2) entered disabled state
[  754.110267] br0: port 3(c3) entered disabled state
[  754.110504] c3 (unregistering): left allmulticast mode
[  754.110551] c3 (unregistering): left promiscuous mode
[  754.110607] br0: port 3(c3) entered disabled state
[  754.148256] br0: port 4(sender) entered disabled state
[  754.148499] sender (unregistering): left allmulticast mode
[  754.148549] sender (unregistering): left promiscuous mode
[  754.148592] br0: port 4(sender) entered disabled state