[ 2874.638605][T28420] br0: port 1(c1) entered blocking state
[ 2874.638954][T28420] br0: port 1(c1) entered disabled state
[ 2874.639282][T28420] c1: entered allmulticast mode
[ 2874.643004][T28420] c1: entered promiscuous mode
[ 2875.346805][T28425] br0: port 2(c2) entered blocking state
[ 2875.347150][T28425] br0: port 2(c2) entered disabled state
[ 2875.347721][T28425] c2: entered allmulticast mode
[ 2875.351152][T28425] c2: entered promiscuous mode
[ 2876.058191][T28430] br0: port 3(c3) entered blocking state
[ 2876.058526][T28430] br0: port 3(c3) entered disabled state
[ 2876.058890][T28430] c3: entered allmulticast mode
[ 2876.062253][T28430] c3: entered promiscuous mode
[ 2876.761533][T28435] br0: port 4(sender) entered blocking state
[ 2876.761968][T28435] br0: port 4(sender) entered disabled state
[ 2876.762434][T28435] sender: entered allmulticast mode
[ 2876.766085][T28435] sender: entered promiscuous mode
[ 2877.005087][T28437] br0: port 4(sender) entered blocking state
[ 2877.005512][T28437] br0: port 4(sender) entered forwarding state
[ 2877.006203][T28437] br0: port 3(c3) entered blocking state
[ 2877.006518][T28437] br0: port 3(c3) entered forwarding state
[ 2877.007152][T28437] br0: port 2(c2) entered blocking state
[ 2877.007483][T28437] br0: port 2(c2) entered forwarding state
[ 2877.008139][T28437] br0: port 1(c1) entered blocking state
[ 2877.008472][T28437] br0: port 1(c1) entered forwarding state
[ 2889.559763][   T12] br0: port 1(c1) entered disabled state
[ 2889.581111][   T12] c1 (unregistering): left allmulticast mode
[ 2889.584012][   T12] c1 (unregistering): left promiscuous mode
[ 2889.584404][   T12] br0: port 1(c1) entered disabled state
[ 2890.086955][   T12] br0: port 2(c2) entered disabled state
[ 2890.107919][   T12] c2 (unregistering): left allmulticast mode
[ 2890.108305][   T12] c2 (unregistering): left promiscuous mode
[ 2890.108712][   T12] br0: port 2(c2) entered disabled state
[ 2890.613160][   T12] br0: port 3(c3) entered disabled state
[ 2890.636096][   T12] c3 (unregistering): left allmulticast mode
[ 2890.636627][   T12] c3 (unregistering): left promiscuous mode
[ 2890.636985][   T12] br0: port 3(c3) entered disabled state
[ 2891.169892][   T12] br0: port 4(sender) entered disabled state
[ 2891.193588][   T12] sender (unregistering): left allmulticast mode
[ 2891.194018][   T12] sender (unregistering): left promiscuous mode
[ 2891.194422][   T12] br0: port 4(sender) entered disabled state