[  451.346397] br0: port 1(c1) entered blocking state
[  451.346566] br0: port 1(c1) entered disabled state
[  451.346627] c1: entered allmulticast mode
[  451.346713] c1: entered promiscuous mode
[  451.402956] br0: port 2(c2) entered blocking state
[  451.403029] br0: port 2(c2) entered disabled state
[  451.403095] c2: entered allmulticast mode
[  451.403180] c2: entered promiscuous mode
[  451.458413] br0: port 3(c3) entered blocking state
[  451.458512] br0: port 3(c3) entered disabled state
[  451.458575] c3: entered allmulticast mode
[  451.458658] c3: entered promiscuous mode
[  451.513267] br0: port 4(sender) entered blocking state
[  451.513326] br0: port 4(sender) entered disabled state
[  451.513390] sender: entered allmulticast mode
[  451.513490] sender: entered promiscuous mode
[  451.534539] br0: port 4(sender) entered blocking state
[  451.534597] br0: port 4(sender) entered forwarding state
[  451.534653] br0: port 3(c3) entered blocking state
[  451.534699] br0: port 3(c3) entered forwarding state
[  451.534746] br0: port 2(c2) entered blocking state
[  451.534787] br0: port 2(c2) entered forwarding state
[  451.534844] br0: port 1(c1) entered blocking state
[  451.534904] br0: port 1(c1) entered forwarding state
[  462.244239] br0: port 1(c1) entered disabled state
[  462.244524] c1 (unregistering): left allmulticast mode
[  462.244593] c1 (unregistering): left promiscuous mode
[  462.244641] br0: port 1(c1) entered disabled state
[  462.287279] br0: port 2(c2) entered disabled state
[  462.287723] c2 (unregistering): left allmulticast mode
[  462.287794] c2 (unregistering): left promiscuous mode
[  462.287842] br0: port 2(c2) entered disabled state
[  462.325239] br0: port 3(c3) entered disabled state
[  462.325614] c3 (unregistering): left allmulticast mode
[  462.325708] c3 (unregistering): left promiscuous mode
[  462.325761] br0: port 3(c3) entered disabled state
[  462.368254] br0: port 4(sender) entered disabled state
[  462.368619] sender (unregistering): left allmulticast mode
[  462.368686] sender (unregistering): left promiscuous mode
[  462.368736] br0: port 4(sender) entered disabled state