[  478.570214] ip (1908) used greatest stack depth: 12120 bytes left
[  478.729829] br0: port 1(c1) entered blocking state
[  478.729912] br0: port 1(c1) entered disabled state
[  478.729966] c1: entered allmulticast mode
[  478.730035] c1: entered promiscuous mode
[  478.766625] br0: port 2(c2) entered blocking state
[  478.766673] br0: port 2(c2) entered disabled state
[  478.766721] c2: entered allmulticast mode
[  478.766781] c2: entered promiscuous mode
[  478.803725] br0: port 3(c3) entered blocking state
[  478.803796] br0: port 3(c3) entered disabled state
[  478.803847] c3: entered allmulticast mode
[  478.803912] c3: entered promiscuous mode
[  478.843289] br0: port 4(sender) entered blocking state
[  478.843338] br0: port 4(sender) entered disabled state
[  478.843383] sender: entered allmulticast mode
[  478.843463] sender: entered promiscuous mode
[  478.857693] br0: port 4(sender) entered blocking state
[  478.857760] br0: port 4(sender) entered forwarding state
[  478.857813] br0: port 3(c3) entered blocking state
[  478.857858] br0: port 3(c3) entered forwarding state
[  478.857908] br0: port 2(c2) entered blocking state
[  478.857953] br0: port 2(c2) entered forwarding state
[  478.858000] br0: port 1(c1) entered blocking state
[  478.858046] br0: port 1(c1) entered forwarding state
[  489.541757] br0: port 1(c1) entered disabled state
[  489.542245] c1 (unregistering): left allmulticast mode
[  489.542294] c1 (unregistering): left promiscuous mode
[  489.542337] br0: port 1(c1) entered disabled state
[  489.571672] br0: port 2(c2) entered disabled state
[  489.571886] c2 (unregistering): left allmulticast mode
[  489.571929] c2 (unregistering): left promiscuous mode
[  489.571969] br0: port 2(c2) entered disabled state
[  489.614691] br0: port 3(c3) entered disabled state
[  489.614873] c3 (unregistering): left allmulticast mode
[  489.614919] c3 (unregistering): left promiscuous mode
[  489.614958] br0: port 3(c3) entered disabled state
[  489.639614] sender: left allmulticast mode
[  489.639649] sender: left promiscuous mode
[  489.639691] br0: port 4(sender) entered disabled state