[  451.090478] br0: port 1(c1) entered blocking state
[  451.090564] br0: port 1(c1) entered disabled state
[  451.090625] c1: entered allmulticast mode
[  451.090696] c1: entered promiscuous mode
[  451.146145] br0: port 2(c2) entered blocking state
[  451.146210] br0: port 2(c2) entered disabled state
[  451.146258] c2: entered allmulticast mode
[  451.146334] c2: entered promiscuous mode
[  451.199290] br0: port 3(c3) entered blocking state
[  451.199373] br0: port 3(c3) entered disabled state
[  451.199434] c3: entered allmulticast mode
[  451.199509] c3: entered promiscuous mode
[  451.253186] br0: port 4(sender) entered blocking state
[  451.253250] br0: port 4(sender) entered disabled state
[  451.253312] sender: entered allmulticast mode
[  451.253392] sender: entered promiscuous mode
[  451.273677] br0: port 4(sender) entered blocking state
[  451.273730] br0: port 4(sender) entered forwarding state
[  451.273770] br0: port 3(c3) entered blocking state
[  451.273808] br0: port 3(c3) entered forwarding state
[  451.273842] br0: port 2(c2) entered blocking state
[  451.273878] br0: port 2(c2) entered forwarding state
[  451.273918] br0: port 1(c1) entered blocking state
[  451.273952] br0: port 1(c1) entered forwarding state
[  462.011255] br0: port 1(c1) entered disabled state
[  462.011490] c1 (unregistering): left allmulticast mode
[  462.011541] c1 (unregistering): left promiscuous mode
[  462.011584] br0: port 1(c1) entered disabled state
[  462.055355] br0: port 2(c2) entered disabled state
[  462.055784] c2 (unregistering): left allmulticast mode
[  462.055831] c2 (unregistering): left promiscuous mode
[  462.055872] br0: port 2(c2) entered disabled state
[  462.106362] br0: port 3(c3) entered disabled state
[  462.106708] c3 (unregistering): left allmulticast mode
[  462.106781] c3 (unregistering): left promiscuous mode
[  462.106840] br0: port 3(c3) entered disabled state
[  462.149251] br0: port 4(sender) entered disabled state
[  462.149546] sender (unregistering): left allmulticast mode
[  462.149605] sender (unregistering): left promiscuous mode
[  462.149655] br0: port 4(sender) entered disabled state