[  900.153063][T29972] br0: port 1(c1) entered blocking state
[  900.153242][T29972] br0: port 1(c1) entered disabled state
[  900.153421][T29972] c1: entered allmulticast mode
[  900.154857][T29972] c1: entered promiscuous mode
[  900.293160][T29977] br0: port 2(c2) entered blocking state
[  900.293370][T29977] br0: port 2(c2) entered disabled state
[  900.293586][T29977] c2: entered allmulticast mode
[  900.295131][T29977] c2: entered promiscuous mode
[  900.435778][T29982] br0: port 3(c3) entered blocking state
[  900.435984][T29982] br0: port 3(c3) entered disabled state
[  900.436195][T29982] c3: entered allmulticast mode
[  900.437675][T29982] c3: entered promiscuous mode
[  900.572394][T29987] br0: port 4(sender) entered blocking state
[  900.572623][T29987] br0: port 4(sender) entered disabled state
[  900.573597][T29987] sender: entered allmulticast mode
[  900.575108][T29987] sender: entered promiscuous mode
[  900.623121][T29989] br0: port 4(sender) entered blocking state
[  900.623353][T29989] br0: port 4(sender) entered forwarding state
[  900.623723][T29989] br0: port 3(c3) entered blocking state
[  900.623930][T29989] br0: port 3(c3) entered forwarding state
[  900.624279][T29989] br0: port 2(c2) entered blocking state
[  900.624473][T29989] br0: port 2(c2) entered forwarding state
[  900.624832][T29989] br0: port 1(c1) entered blocking state
[  900.625028][T29989] br0: port 1(c1) entered forwarding state
[  911.694830][   T12] br0: port 1(c1) entered disabled state
[  911.713171][   T12] c1 (unregistering): left allmulticast mode
[  911.713461][   T12] c1 (unregistering): left promiscuous mode
[  911.713728][   T12] br0: port 1(c1) entered disabled state
[  911.843942][   T12] br0: port 2(c2) entered disabled state
[  911.855328][   T12] c2 (unregistering): left allmulticast mode
[  911.855535][   T12] c2 (unregistering): left promiscuous mode
[  911.855716][   T12] br0: port 2(c2) entered disabled state
[  911.966148][   T12] br0: port 3(c3) entered disabled state
[  911.976542][   T12] c3 (unregistering): left allmulticast mode
[  911.976749][   T12] c3 (unregistering): left promiscuous mode
[  911.976946][   T12] br0: port 3(c3) entered disabled state
[  912.102446][   T12] br0: port 4(sender) entered disabled state
[  912.112982][   T12] sender (unregistering): left allmulticast mode
[  912.113176][   T12] sender (unregistering): left promiscuous mode
[  912.113349][   T12] br0: port 4(sender) entered disabled state