[  498.016728] br0: port 1(c1) entered blocking state
[  498.016798] br0: port 1(c1) entered disabled state
[  498.016923] c1: entered allmulticast mode
[  498.017012] c1: entered promiscuous mode
[  498.065373] br0: port 2(c2) entered blocking state
[  498.065442] br0: port 2(c2) entered disabled state
[  498.065497] c2: entered allmulticast mode
[  498.065565] c2: entered promiscuous mode
[  498.115208] br0: port 3(c3) entered blocking state
[  498.115306] br0: port 3(c3) entered disabled state
[  498.115385] c3: entered allmulticast mode
[  498.115463] c3: entered promiscuous mode
[  498.165128] br0: port 4(sender) entered blocking state
[  498.165197] br0: port 4(sender) entered disabled state
[  498.165258] sender: entered allmulticast mode
[  498.165345] sender: entered promiscuous mode
[  498.183228] br0: port 4(sender) entered blocking state
[  498.183297] br0: port 4(sender) entered forwarding state
[  498.183341] br0: port 3(c3) entered blocking state
[  498.183386] br0: port 3(c3) entered forwarding state
[  498.183436] br0: port 2(c2) entered blocking state
[  498.183484] br0: port 2(c2) entered forwarding state
[  498.183528] br0: port 1(c1) entered blocking state
[  498.183573] br0: port 1(c1) entered forwarding state
[  508.894066] br0: port 1(c1) entered disabled state
[  508.894485] c1 (unregistering): left allmulticast mode
[  508.894550] c1 (unregistering): left promiscuous mode
[  508.894617] br0: port 1(c1) entered disabled state
[  508.935045] br0: port 2(c2) entered disabled state
[  508.935429] c2 (unregistering): left allmulticast mode
[  508.935505] c2 (unregistering): left promiscuous mode
[  508.935556] br0: port 2(c2) entered disabled state
[  508.979090] br0: port 3(c3) entered disabled state
[  508.979445] c3 (unregistering): left allmulticast mode
[  508.979535] c3 (unregistering): left promiscuous mode
[  508.979599] br0: port 3(c3) entered disabled state
[  509.019055] br0: port 4(sender) entered disabled state
[  509.019386] sender (unregistering): left allmulticast mode
[  509.019457] sender (unregistering): left promiscuous mode
[  509.019506] br0: port 4(sender) entered disabled state