[  736.554836] br0: port 1(c1) entered blocking state
[  736.554917] br0: port 1(c1) entered disabled state
[  736.554987] c1: entered allmulticast mode
[  736.555066] c1: entered promiscuous mode
[  736.610730] br0: port 2(c2) entered blocking state
[  736.610836] br0: port 2(c2) entered disabled state
[  736.610928] c2: entered allmulticast mode
[  736.611025] c2: entered promiscuous mode
[  736.664561] br0: port 3(c3) entered blocking state
[  736.664637] br0: port 3(c3) entered disabled state
[  736.664701] c3: entered allmulticast mode
[  736.664786] c3: entered promiscuous mode
[  736.715459] br0: port 4(sender) entered blocking state
[  736.715575] br0: port 4(sender) entered disabled state
[  736.715670] sender: entered allmulticast mode
[  736.715798] sender: entered promiscuous mode
[  736.736875] br0: port 4(sender) entered blocking state
[  736.736988] br0: port 4(sender) entered forwarding state
[  736.737069] br0: port 3(c3) entered blocking state
[  736.737123] br0: port 3(c3) entered forwarding state
[  736.737204] br0: port 2(c2) entered blocking state
[  736.737271] br0: port 2(c2) entered forwarding state
[  736.737344] br0: port 1(c1) entered blocking state
[  736.737415] br0: port 1(c1) entered forwarding state
[  747.483349] br0: port 1(c1) entered disabled state
[  747.483615] c1 (unregistering): left allmulticast mode
[  747.483672] c1 (unregistering): left promiscuous mode
[  747.483720] br0: port 1(c1) entered disabled state
[  747.518376] br0: port 2(c2) entered disabled state
[  747.518665] c2 (unregistering): left allmulticast mode
[  747.518726] c2 (unregistering): left promiscuous mode
[  747.518776] br0: port 2(c2) entered disabled state
[  747.558351] br0: port 3(c3) entered disabled state
[  747.558595] c3 (unregistering): left allmulticast mode
[  747.558659] c3 (unregistering): left promiscuous mode
[  747.558707] br0: port 3(c3) entered disabled state
[  747.597404] br0: port 4(sender) entered disabled state
[  747.597764] sender (unregistering): left allmulticast mode
[  747.597826] sender (unregistering): left promiscuous mode
[  747.597881] br0: port 4(sender) entered disabled state