[  507.965078] br0: port 1(c1) entered blocking state
[  507.965145] br0: port 1(c1) entered disabled state
[  507.965204] c1: entered allmulticast mode
[  507.965282] c1: entered promiscuous mode
[  508.018317] br0: port 2(c2) entered blocking state
[  508.018402] br0: port 2(c2) entered disabled state
[  508.018467] c2: entered allmulticast mode
[  508.018541] c2: entered promiscuous mode
[  508.072655] br0: port 3(c3) entered blocking state
[  508.072724] br0: port 3(c3) entered disabled state
[  508.072785] c3: entered allmulticast mode
[  508.072859] c3: entered promiscuous mode
[  508.125543] br0: port 4(sender) entered blocking state
[  508.125659] br0: port 4(sender) entered disabled state
[  508.125730] sender: entered allmulticast mode
[  508.125821] sender: entered promiscuous mode
[  508.147461] br0: port 4(sender) entered blocking state
[  508.147526] br0: port 4(sender) entered forwarding state
[  508.147578] br0: port 3(c3) entered blocking state
[  508.147626] br0: port 3(c3) entered forwarding state
[  508.147684] br0: port 2(c2) entered blocking state
[  508.147738] br0: port 2(c2) entered forwarding state
[  508.147787] br0: port 1(c1) entered blocking state
[  508.147832] br0: port 1(c1) entered forwarding state
[  518.861122] br0: port 1(c1) entered disabled state
[  518.861417] c1 (unregistering): left allmulticast mode
[  518.861464] c1 (unregistering): left promiscuous mode
[  518.861507] br0: port 1(c1) entered disabled state
[  518.909276] br0: port 2(c2) entered disabled state
[  518.909823] c2 (unregistering): left allmulticast mode
[  518.909871] c2 (unregistering): left promiscuous mode
[  518.909913] br0: port 2(c2) entered disabled state
[  518.952161] br0: port 3(c3) entered disabled state
[  518.952593] c3 (unregistering): left allmulticast mode
[  518.952660] c3 (unregistering): left promiscuous mode
[  518.952720] br0: port 3(c3) entered disabled state
[  518.991076] br0: port 4(sender) entered disabled state
[  518.991451] sender (unregistering): left allmulticast mode
[  518.991506] sender (unregistering): left promiscuous mode
[  518.991545] br0: port 4(sender) entered disabled state