[  693.447625] br0: port 1(c1) entered blocking state
[  693.447735] br0: port 1(c1) entered disabled state
[  693.447811] c1: entered allmulticast mode
[  693.447912] c1: entered promiscuous mode
[  693.468829] ip (16399) used greatest stack depth: 11912 bytes left
[  693.498106] br0: port 2(c2) entered blocking state
[  693.498179] br0: port 2(c2) entered disabled state
[  693.498240] c2: entered allmulticast mode
[  693.498312] c2: entered promiscuous mode
[  693.549636] br0: port 3(c3) entered blocking state
[  693.549735] br0: port 3(c3) entered disabled state
[  693.549806] c3: entered allmulticast mode
[  693.549910] c3: entered promiscuous mode
[  693.601603] br0: port 4(sender) entered blocking state
[  693.601679] br0: port 4(sender) entered disabled state
[  693.601743] sender: entered allmulticast mode
[  693.601849] sender: entered promiscuous mode
[  693.623206] br0: port 4(sender) entered blocking state
[  693.623276] br0: port 4(sender) entered forwarding state
[  693.623328] br0: port 3(c3) entered blocking state
[  693.623376] br0: port 3(c3) entered forwarding state
[  693.623425] br0: port 2(c2) entered blocking state
[  693.623472] br0: port 2(c2) entered forwarding state
[  693.623529] br0: port 1(c1) entered blocking state
[  693.623576] br0: port 1(c1) entered forwarding state
[  704.364138] br0: port 1(c1) entered disabled state
[  704.364446] c1 (unregistering): left allmulticast mode
[  704.364499] c1 (unregistering): left promiscuous mode
[  704.364587] br0: port 1(c1) entered disabled state
[  704.408108] br0: port 2(c2) entered disabled state
[  704.408349] c2 (unregistering): left allmulticast mode
[  704.408421] c2 (unregistering): left promiscuous mode
[  704.408463] br0: port 2(c2) entered disabled state
[  704.445090] br0: port 3(c3) entered disabled state
[  704.445462] c3 (unregistering): left allmulticast mode
[  704.445507] c3 (unregistering): left promiscuous mode
[  704.445541] br0: port 3(c3) entered disabled state
[  704.486116] br0: port 4(sender) entered disabled state
[  704.486423] sender (unregistering): left allmulticast mode
[  704.486469] sender (unregistering): left promiscuous mode
[  704.486539] br0: port 4(sender) entered disabled state