[  251.922990][ T4242] br0: port 1(c1) entered blocking state
[  251.923321][ T4242] br0: port 1(c1) entered disabled state
[  251.923636][ T4242] c1: entered allmulticast mode
[  251.925961][ T4242] c1: entered promiscuous mode
[  252.094310][ T4247] br0: port 2(c2) entered blocking state
[  252.094652][ T4247] br0: port 2(c2) entered disabled state
[  252.095516][ T4247] c2: entered allmulticast mode
[  252.097216][ T4247] c2: entered promiscuous mode
[  252.272316][ T4252] br0: port 3(c3) entered blocking state
[  252.272628][ T4252] br0: port 3(c3) entered disabled state
[  252.273393][ T4252] c3: entered allmulticast mode
[  252.275161][ T4252] c3: entered promiscuous mode
[  252.448625][ T4257] br0: port 4(sender) entered blocking state
[  252.448975][ T4257] br0: port 4(sender) entered disabled state
[  252.449294][ T4257] sender: entered allmulticast mode
[  252.450925][ T4257] sender: entered promiscuous mode
[  252.509935][ T4259] br0: port 4(sender) entered blocking state
[  252.510288][ T4259] br0: port 4(sender) entered forwarding state
[  252.510785][ T4259] br0: port 3(c3) entered blocking state
[  252.511373][ T4259] br0: port 3(c3) entered forwarding state
[  252.511827][ T4259] br0: port 2(c2) entered blocking state
[  252.512090][ T4259] br0: port 2(c2) entered forwarding state
[  252.512530][ T4259] br0: port 1(c1) entered blocking state
[  252.512812][ T4259] br0: port 1(c1) entered forwarding state
[  263.708272][   T12] br0: port 1(c1) entered disabled state
[  263.711986][   T12] c1 (unregistering): left allmulticast mode
[  263.712353][   T12] c1 (unregistering): left promiscuous mode
[  263.712772][   T12] br0: port 1(c1) entered disabled state
[  263.849653][   T12] br0: port 2(c2) entered disabled state
[  263.852961][   T12] c2 (unregistering): left allmulticast mode
[  263.853297][   T12] c2 (unregistering): left promiscuous mode
[  263.853605][   T12] br0: port 2(c2) entered disabled state
[  263.986283][   T12] br0: port 3(c3) entered disabled state
[  263.990879][   T12] c3 (unregistering): left allmulticast mode
[  263.991245][   T12] c3 (unregistering): left promiscuous mode
[  263.991617][   T12] br0: port 3(c3) entered disabled state
[  264.149337][   T12] br0: port 4(sender) entered disabled state
[  264.152591][   T12] sender (unregistering): left allmulticast mode
[  264.152924][   T12] sender (unregistering): left promiscuous mode
[  264.153245][   T12] br0: port 4(sender) entered disabled state