[ 2874.313512][T28771] br0: port 1(c1) entered blocking state
[ 2874.314118][T28771] br0: port 1(c1) entered disabled state
[ 2874.314499][T28771] c1: entered allmulticast mode
[ 2874.317908][T28771] c1: entered promiscuous mode
[ 2874.997467][T28776] br0: port 2(c2) entered blocking state
[ 2874.997839][T28776] br0: port 2(c2) entered disabled state
[ 2874.998200][T28776] c2: entered allmulticast mode
[ 2875.001732][T28776] c2: entered promiscuous mode
[ 2875.668200][T28781] br0: port 3(c3) entered blocking state
[ 2875.668603][T28781] br0: port 3(c3) entered disabled state
[ 2875.669282][T28781] c3: entered allmulticast mode
[ 2875.672657][T28781] c3: entered promiscuous mode
[ 2876.336934][T28786] br0: port 4(sender) entered blocking state
[ 2876.337398][T28786] br0: port 4(sender) entered disabled state
[ 2876.338052][T28786] sender: entered allmulticast mode
[ 2876.341848][T28786] sender: entered promiscuous mode
[ 2876.586377][T28788] br0: port 4(sender) entered blocking state
[ 2876.586849][T28788] br0: port 4(sender) entered forwarding state
[ 2876.587564][T28788] br0: port 3(c3) entered blocking state
[ 2876.587907][T28788] br0: port 3(c3) entered forwarding state
[ 2876.588547][T28788] br0: port 2(c2) entered blocking state
[ 2876.588876][T28788] br0: port 2(c2) entered forwarding state
[ 2876.589514][T28788] br0: port 1(c1) entered blocking state
[ 2876.589847][T28788] br0: port 1(c1) entered forwarding state
[ 2889.033712][   T12] br0: port 1(c1) entered disabled state
[ 2889.054569][   T12] c1 (unregistering): left allmulticast mode
[ 2889.056289][   T12] c1 (unregistering): left promiscuous mode
[ 2889.056675][   T12] br0: port 1(c1) entered disabled state
[ 2889.554502][   T12] br0: port 2(c2) entered disabled state
[ 2889.575864][   T12] c2 (unregistering): left allmulticast mode
[ 2889.576282][   T12] c2 (unregistering): left promiscuous mode
[ 2889.576664][   T12] br0: port 2(c2) entered disabled state
[ 2890.069495][   T12] br0: port 3(c3) entered disabled state
[ 2890.089285][   T12] c3 (unregistering): left allmulticast mode
[ 2890.089709][   T12] c3 (unregistering): left promiscuous mode
[ 2890.090099][   T12] br0: port 3(c3) entered disabled state
[ 2890.618453][   T12] br0: port 4(sender) entered disabled state
[ 2890.641528][   T12] sender (unregistering): left allmulticast mode
[ 2890.642019][   T12] sender (unregistering): left promiscuous mode
[ 2890.642403][   T12] br0: port 4(sender) entered disabled state