[   23.648082] ip (2078) used greatest stack depth: 12184 bytes left
[   23.668017] br0: port 1(c1) entered blocking state
[   23.668083] br0: port 1(c1) entered disabled state
[   23.668133] c1: entered allmulticast mode
[   23.668198] c1: entered promiscuous mode
[   23.702901] br0: port 2(c2) entered blocking state
[   23.702946] br0: port 2(c2) entered disabled state
[   23.702984] c2: entered allmulticast mode
[   23.703041] c2: entered promiscuous mode
[   23.738762] br0: port 3(c3) entered blocking state
[   23.738806] br0: port 3(c3) entered disabled state
[   23.738850] c3: entered allmulticast mode
[   23.738904] c3: entered promiscuous mode
[   23.774588] br0: port 4(sender) entered blocking state
[   23.774677] br0: port 4(sender) entered disabled state
[   23.774739] sender: entered allmulticast mode
[   23.774814] sender: entered promiscuous mode
[   23.789040] br0: port 4(sender) entered blocking state
[   23.789104] br0: port 4(sender) entered forwarding state
[   23.789155] br0: port 3(c3) entered blocking state
[   23.789201] br0: port 3(c3) entered forwarding state
[   23.789249] br0: port 2(c2) entered blocking state
[   23.789294] br0: port 2(c2) entered forwarding state
[   23.789342] br0: port 1(c1) entered blocking state
[   23.789387] br0: port 1(c1) entered forwarding state
[   34.536748] br0: port 1(c1) entered disabled state
[   34.536948] c1 (unregistering): left allmulticast mode
[   34.536991] c1 (unregistering): left promiscuous mode
[   34.537025] br0: port 1(c1) entered disabled state
[   34.575791] br0: port 2(c2) entered disabled state
[   34.576093] c2 (unregistering): left allmulticast mode
[   34.576134] c2 (unregistering): left promiscuous mode
[   34.576168] br0: port 2(c2) entered disabled state
[   34.602735] br0: port 3(c3) entered disabled state
[   34.602915] c3 (unregistering): left allmulticast mode
[   34.602957] c3 (unregistering): left promiscuous mode
[   34.602990] br0: port 3(c3) entered disabled state
[   34.625735] br0: port 4(sender) entered disabled state
[   34.625919] sender (unregistering): left allmulticast mode
[   34.625962] sender (unregistering): left promiscuous mode
[   34.625996] br0: port 4(sender) entered disabled state