[  501.236363] br0: port 1(c1) entered blocking state
[  501.236480] br0: port 1(c1) entered disabled state
[  501.236570] c1: entered allmulticast mode
[  501.236673] c1: entered promiscuous mode
[  501.300896] br0: port 2(c2) entered blocking state
[  501.300976] br0: port 2(c2) entered disabled state
[  501.301046] c2: entered allmulticast mode
[  501.301127] c2: entered promiscuous mode
[  501.368731] br0: port 3(c3) entered blocking state
[  501.368841] br0: port 3(c3) entered disabled state
[  501.368922] c3: entered allmulticast mode
[  501.369020] c3: entered promiscuous mode
[  501.432503] br0: port 4(sender) entered blocking state
[  501.432589] br0: port 4(sender) entered disabled state
[  501.432674] sender: entered allmulticast mode
[  501.432772] sender: entered promiscuous mode
[  501.459188] br0: port 4(sender) entered blocking state
[  501.459286] br0: port 4(sender) entered forwarding state
[  501.459357] br0: port 3(c3) entered blocking state
[  501.459416] br0: port 3(c3) entered forwarding state
[  501.459480] br0: port 2(c2) entered blocking state
[  501.459539] br0: port 2(c2) entered forwarding state
[  501.459596] br0: port 1(c1) entered blocking state
[  501.459657] br0: port 1(c1) entered forwarding state
[  512.214481] br0: port 1(c1) entered disabled state
[  512.214986] c1 (unregistering): left allmulticast mode
[  512.215057] c1 (unregistering): left promiscuous mode
[  512.215114] br0: port 1(c1) entered disabled state
[  512.259482] br0: port 2(c2) entered disabled state
[  512.259960] c2 (unregistering): left allmulticast mode
[  512.260036] c2 (unregistering): left promiscuous mode
[  512.260089] br0: port 2(c2) entered disabled state
[  512.304462] br0: port 3(c3) entered disabled state
[  512.304899] c3 (unregistering): left allmulticast mode
[  512.304946] c3 (unregistering): left promiscuous mode
[  512.304988] br0: port 3(c3) entered disabled state
[  512.352505] br0: port 4(sender) entered disabled state
[  512.353028] sender (unregistering): left allmulticast mode
[  512.353089] sender (unregistering): left promiscuous mode
[  512.353132] br0: port 4(sender) entered disabled state