[   47.876380][  T743] br0: port 1(c1) entered blocking state
[   47.876567][  T743] br0: port 1(c1) entered disabled state
[   47.876727][  T743] c1: entered allmulticast mode
[   47.878168][  T743] c1: entered promiscuous mode
[   47.943202][  T745] ip (745) used greatest stack depth: 24544 bytes left
[   48.020025][  T748] br0: port 2(c2) entered blocking state
[   48.020244][  T748] br0: port 2(c2) entered disabled state
[   48.020783][  T748] c2: entered allmulticast mode
[   48.022339][  T748] c2: entered promiscuous mode
[   48.153994][  T753] br0: port 3(c3) entered blocking state
[   48.155564][  T753] br0: port 3(c3) entered disabled state
[   48.155727][  T753] c3: entered allmulticast mode
[   48.157164][  T753] c3: entered promiscuous mode
[   48.299291][  T758] br0: port 4(sender) entered blocking state
[   48.299497][  T758] br0: port 4(sender) entered disabled state
[   48.299680][  T758] sender: entered allmulticast mode
[   48.301104][  T758] sender: entered promiscuous mode
[   48.347794][  T760] br0: port 4(sender) entered blocking state
[   48.348171][  T760] br0: port 4(sender) entered forwarding state
[   48.348785][  T760] br0: port 3(c3) entered blocking state
[   48.348971][  T760] br0: port 3(c3) entered forwarding state
[   48.349350][  T760] br0: port 2(c2) entered blocking state
[   48.349543][  T760] br0: port 2(c2) entered forwarding state
[   48.349900][  T760] br0: port 1(c1) entered blocking state
[   48.350125][  T760] br0: port 1(c1) entered forwarding state
[   59.550627][   T12] br0: port 1(c1) entered disabled state
[   59.553502][   T12] c1 (unregistering): left allmulticast mode
[   59.553802][   T12] c1 (unregistering): left promiscuous mode
[   59.554033][   T12] br0: port 1(c1) entered disabled state
[   59.667741][   T12] br0: port 2(c2) entered disabled state
[   59.672447][   T12] c2 (unregistering): left allmulticast mode
[   59.672652][   T12] c2 (unregistering): left promiscuous mode
[   59.672821][   T12] br0: port 2(c2) entered disabled state
[   59.793480][   T12] br0: port 3(c3) entered disabled state
[   59.796208][   T12] c3 (unregistering): left allmulticast mode
[   59.796405][   T12] c3 (unregistering): left promiscuous mode
[   59.796574][   T12] br0: port 3(c3) entered disabled state
[   59.918269][   T12] br0: port 4(sender) entered disabled state
[   59.920398][   T12] sender (unregistering): left allmulticast mode
[   59.920582][   T12] sender (unregistering): left promiscuous mode
[   59.920746][   T12] br0: port 4(sender) entered disabled state