[  491.056020] br0: port 1(c1) entered blocking state
[  491.056152] br0: port 1(c1) entered disabled state
[  491.056243] c1: entered allmulticast mode
[  491.056359] c1: entered promiscuous mode
[  491.110642] br0: port 2(c2) entered blocking state
[  491.110714] br0: port 2(c2) entered disabled state
[  491.110787] c2: entered allmulticast mode
[  491.110859] c2: entered promiscuous mode
[  491.166962] br0: port 3(c3) entered blocking state
[  491.167071] br0: port 3(c3) entered disabled state
[  491.167159] c3: entered allmulticast mode
[  491.167259] c3: entered promiscuous mode
[  491.221654] br0: port 4(sender) entered blocking state
[  491.221718] br0: port 4(sender) entered disabled state
[  491.221781] sender: entered allmulticast mode
[  491.221904] sender: entered promiscuous mode
[  491.245395] br0: port 4(sender) entered blocking state
[  491.245462] br0: port 4(sender) entered forwarding state
[  491.245516] br0: port 3(c3) entered blocking state
[  491.245556] br0: port 3(c3) entered forwarding state
[  491.245597] br0: port 2(c2) entered blocking state
[  491.245639] br0: port 2(c2) entered forwarding state
[  491.245684] br0: port 1(c1) entered blocking state
[  491.245726] br0: port 1(c1) entered forwarding state
[  501.975041] br0: port 1(c1) entered disabled state
[  501.975358] c1 (unregistering): left allmulticast mode
[  501.975409] c1 (unregistering): left promiscuous mode
[  501.975452] br0: port 1(c1) entered disabled state
[  502.019090] br0: port 2(c2) entered disabled state
[  502.019607] c2 (unregistering): left allmulticast mode
[  502.019696] c2 (unregistering): left promiscuous mode
[  502.019742] br0: port 2(c2) entered disabled state
[  502.058570] br0: port 3(c3) entered disabled state
[  502.058892] c3 (unregistering): left allmulticast mode
[  502.058939] c3 (unregistering): left promiscuous mode
[  502.058983] br0: port 3(c3) entered disabled state
[  502.103035] br0: port 4(sender) entered disabled state
[  502.103318] sender (unregistering): left allmulticast mode
[  502.103397] sender (unregistering): left promiscuous mode
[  502.103461] br0: port 4(sender) entered disabled state