[  451.809914] br0: port 1(c1) entered blocking state
[  451.809993] br0: port 1(c1) entered disabled state
[  451.810085] c1: entered allmulticast mode
[  451.810170] c1: entered promiscuous mode
[  451.856611] br0: port 2(c2) entered blocking state
[  451.856696] br0: port 2(c2) entered disabled state
[  451.856751] c2: entered allmulticast mode
[  451.856815] c2: entered promiscuous mode
[  451.904061] br0: port 3(c3) entered blocking state
[  451.904176] br0: port 3(c3) entered disabled state
[  451.904258] c3: entered allmulticast mode
[  451.904343] c3: entered promiscuous mode
[  451.951558] br0: port 4(sender) entered blocking state
[  451.951627] br0: port 4(sender) entered disabled state
[  451.951678] sender: entered allmulticast mode
[  451.951762] sender: entered promiscuous mode
[  451.969118] br0: port 4(sender) entered blocking state
[  451.969199] br0: port 4(sender) entered forwarding state
[  451.969262] br0: port 3(c3) entered blocking state
[  451.969316] br0: port 3(c3) entered forwarding state
[  451.969377] br0: port 2(c2) entered blocking state
[  451.969437] br0: port 2(c2) entered forwarding state
[  451.969490] br0: port 1(c1) entered blocking state
[  451.969545] br0: port 1(c1) entered forwarding state
[  462.660094] br0: port 1(c1) entered disabled state
[  462.660489] c1 (unregistering): left allmulticast mode
[  462.660539] c1 (unregistering): left promiscuous mode
[  462.660578] br0: port 1(c1) entered disabled state
[  462.697098] br0: port 2(c2) entered disabled state
[  462.697396] c2 (unregistering): left allmulticast mode
[  462.697457] c2 (unregistering): left promiscuous mode
[  462.697504] br0: port 2(c2) entered disabled state
[  462.722155] br0: port 3(c3) entered disabled state
[  462.722406] c3 (unregistering): left allmulticast mode
[  462.722456] c3 (unregistering): left promiscuous mode
[  462.722496] br0: port 3(c3) entered disabled state
[  462.762061] br0: port 4(sender) entered disabled state
[  462.762328] sender (unregistering): left allmulticast mode
[  462.762385] sender (unregistering): left promiscuous mode
[  462.762435] br0: port 4(sender) entered disabled state