[  493.195574] br0: port 1(c1) entered blocking state
[  493.195656] br0: port 1(c1) entered disabled state
[  493.195727] c1: entered allmulticast mode
[  493.195806] c1: entered promiscuous mode
[  493.244092] br0: port 2(c2) entered blocking state
[  493.244150] br0: port 2(c2) entered disabled state
[  493.244205] c2: entered allmulticast mode
[  493.244271] c2: entered promiscuous mode
[  493.293203] br0: port 3(c3) entered blocking state
[  493.293263] br0: port 3(c3) entered disabled state
[  493.293337] c3: entered allmulticast mode
[  493.293416] c3: entered promiscuous mode
[  493.340575] br0: port 4(sender) entered blocking state
[  493.340651] br0: port 4(sender) entered disabled state
[  493.340712] sender: entered allmulticast mode
[  493.340798] sender: entered promiscuous mode
[  493.360502] br0: port 4(sender) entered blocking state
[  493.360572] br0: port 4(sender) entered forwarding state
[  493.360626] br0: port 3(c3) entered blocking state
[  493.360675] br0: port 3(c3) entered forwarding state
[  493.360728] br0: port 2(c2) entered blocking state
[  493.360781] br0: port 2(c2) entered forwarding state
[  493.360830] br0: port 1(c1) entered blocking state
[  493.360883] br0: port 1(c1) entered forwarding state
[  504.067459] br0: port 1(c1) entered disabled state
[  504.067694] c1 (unregistering): left allmulticast mode
[  504.067737] c1 (unregistering): left promiscuous mode
[  504.067778] br0: port 1(c1) entered disabled state
[  504.101479] br0: port 2(c2) entered disabled state
[  504.101776] c2 (unregistering): left allmulticast mode
[  504.101821] c2 (unregistering): left promiscuous mode
[  504.101860] br0: port 2(c2) entered disabled state
[  504.135410] br0: port 3(c3) entered disabled state
[  504.135628] c3 (unregistering): left allmulticast mode
[  504.135668] c3 (unregistering): left promiscuous mode
[  504.135706] br0: port 3(c3) entered disabled state
[  504.162398] br0: port 4(sender) entered disabled state
[  504.162593] sender (unregistering): left allmulticast mode
[  504.162636] sender (unregistering): left promiscuous mode
[  504.162675] br0: port 4(sender) entered disabled state