[  553.775243] br0: port 1(c1) entered blocking state
[  553.775329] br0: port 1(c1) entered disabled state
[  553.775398] c1: entered allmulticast mode
[  553.775475] c1: entered promiscuous mode
[  553.856311] br0: port 2(c2) entered blocking state
[  553.856384] br0: port 2(c2) entered disabled state
[  553.856442] c2: entered allmulticast mode
[  553.856513] c2: entered promiscuous mode
[  553.946362] br0: port 3(c3) entered blocking state
[  553.946445] br0: port 3(c3) entered disabled state
[  553.946510] c3: entered allmulticast mode
[  553.946588] c3: entered promiscuous mode
[  554.028904] br0: port 4(sender) entered blocking state
[  554.028960] br0: port 4(sender) entered disabled state
[  554.029011] sender: entered allmulticast mode
[  554.029087] sender: entered promiscuous mode
[  554.061962] br0: port 4(sender) entered blocking state
[  554.062012] br0: port 4(sender) entered forwarding state
[  554.062052] br0: port 3(c3) entered blocking state
[  554.062086] br0: port 3(c3) entered forwarding state
[  554.062120] br0: port 2(c2) entered blocking state
[  554.062149] br0: port 2(c2) entered forwarding state
[  554.062178] br0: port 1(c1) entered blocking state
[  554.062207] br0: port 1(c1) entered forwarding state
[  564.889872] br0: port 1(c1) entered disabled state
[  564.890094] c1 (unregistering): left allmulticast mode
[  564.890138] c1 (unregistering): left promiscuous mode
[  564.890181] br0: port 1(c1) entered disabled state
[  564.933859] br0: port 2(c2) entered disabled state
[  564.934083] c2 (unregistering): left allmulticast mode
[  564.934121] c2 (unregistering): left promiscuous mode
[  564.934155] br0: port 2(c2) entered disabled state
[  564.987891] br0: port 3(c3) entered disabled state
[  564.988171] c3 (unregistering): left allmulticast mode
[  564.988213] c3 (unregistering): left promiscuous mode
[  564.988254] br0: port 3(c3) entered disabled state
[  565.038918] br0: port 4(sender) entered disabled state
[  565.039244] sender (unregistering): left allmulticast mode
[  565.039290] sender (unregistering): left promiscuous mode
[  565.039326] br0: port 4(sender) entered disabled state