[  452.235820] br0: port 1(c1) entered blocking state
[  452.235888] br0: port 1(c1) entered disabled state
[  452.235961] c1: entered allmulticast mode
[  452.236042] c1: entered promiscuous mode
[  452.294490] br0: port 2(c2) entered blocking state
[  452.294600] br0: port 2(c2) entered disabled state
[  452.294694] c2: entered allmulticast mode
[  452.294799] c2: entered promiscuous mode
[  452.351227] br0: port 3(c3) entered blocking state
[  452.351323] br0: port 3(c3) entered disabled state
[  452.351398] c3: entered allmulticast mode
[  452.351473] c3: entered promiscuous mode
[  452.404497] br0: port 4(sender) entered blocking state
[  452.404571] br0: port 4(sender) entered disabled state
[  452.404630] sender: entered allmulticast mode
[  452.404716] sender: entered promiscuous mode
[  452.426308] br0: port 4(sender) entered blocking state
[  452.426381] br0: port 4(sender) entered forwarding state
[  452.426434] br0: port 3(c3) entered blocking state
[  452.426478] br0: port 3(c3) entered forwarding state
[  452.426522] br0: port 2(c2) entered blocking state
[  452.426575] br0: port 2(c2) entered forwarding state
[  452.426622] br0: port 1(c1) entered blocking state
[  452.426669] br0: port 1(c1) entered forwarding state
[  463.161122] br0: port 1(c1) entered disabled state
[  463.161437] c1 (unregistering): left allmulticast mode
[  463.161507] c1 (unregistering): left promiscuous mode
[  463.161566] br0: port 1(c1) entered disabled state
[  463.195144] br0: port 2(c2) entered disabled state
[  463.195425] c2 (unregistering): left allmulticast mode
[  463.195492] c2 (unregistering): left promiscuous mode
[  463.195541] br0: port 2(c2) entered disabled state
[  463.241086] br0: port 3(c3) entered disabled state
[  463.241401] c3 (unregistering): left allmulticast mode
[  463.241455] c3 (unregistering): left promiscuous mode
[  463.241504] br0: port 3(c3) entered disabled state
[  463.275070] br0: port 4(sender) entered disabled state
[  463.275373] sender (unregistering): left allmulticast mode
[  463.275443] sender (unregistering): left promiscuous mode
[  463.275489] br0: port 4(sender) entered disabled state