[  493.253044] br0: port 1(c1) entered blocking state
[  493.253117] br0: port 1(c1) entered disabled state
[  493.253185] c1: entered allmulticast mode
[  493.253260] c1: entered promiscuous mode
[  493.303113] br0: port 2(c2) entered blocking state
[  493.303203] br0: port 2(c2) entered disabled state
[  493.303261] c2: entered allmulticast mode
[  493.303327] c2: entered promiscuous mode
[  493.353001] br0: port 3(c3) entered blocking state
[  493.353071] br0: port 3(c3) entered disabled state
[  493.353142] c3: entered allmulticast mode
[  493.353218] c3: entered promiscuous mode
[  493.402552] br0: port 4(sender) entered blocking state
[  493.402619] br0: port 4(sender) entered disabled state
[  493.402683] sender: entered allmulticast mode
[  493.402773] sender: entered promiscuous mode
[  493.422103] br0: port 4(sender) entered blocking state
[  493.422180] br0: port 4(sender) entered forwarding state
[  493.422231] br0: port 3(c3) entered blocking state
[  493.422284] br0: port 3(c3) entered forwarding state
[  493.422335] br0: port 2(c2) entered blocking state
[  493.422396] br0: port 2(c2) entered forwarding state
[  493.422444] br0: port 1(c1) entered blocking state
[  493.422495] br0: port 1(c1) entered forwarding state
[  504.131184] br0: port 1(c1) entered disabled state
[  504.131638] c1 (unregistering): left allmulticast mode
[  504.131696] c1 (unregistering): left promiscuous mode
[  504.131743] br0: port 1(c1) entered disabled state
[  504.176113] br0: port 2(c2) entered disabled state
[  504.176450] c2 (unregistering): left allmulticast mode
[  504.176498] c2 (unregistering): left promiscuous mode
[  504.176540] br0: port 2(c2) entered disabled state
[  504.224173] br0: port 3(c3) entered disabled state
[  504.224665] c3 (unregistering): left allmulticast mode
[  504.224757] c3 (unregistering): left promiscuous mode
[  504.224820] br0: port 3(c3) entered disabled state
[  504.267098] br0: port 4(sender) entered disabled state
[  504.267433] sender (unregistering): left allmulticast mode
[  504.267478] sender (unregistering): left promiscuous mode
[  504.267518] br0: port 4(sender) entered disabled state