[  746.479612] br0: port 1(c1) entered blocking state
[  746.479684] br0: port 1(c1) entered disabled state
[  746.479740] c1: entered allmulticast mode
[  746.479811] c1: entered promiscuous mode
[  746.541857] br0: port 2(c2) entered blocking state
[  746.541950] br0: port 2(c2) entered disabled state
[  746.542036] c2: entered allmulticast mode
[  746.542158] c2: entered promiscuous mode
[  746.605212] br0: port 3(c3) entered blocking state
[  746.605301] br0: port 3(c3) entered disabled state
[  746.605374] c3: entered allmulticast mode
[  746.605467] c3: entered promiscuous mode
[  746.665781] br0: port 4(sender) entered blocking state
[  746.665861] br0: port 4(sender) entered disabled state
[  746.665926] sender: entered allmulticast mode
[  746.666027] sender: entered promiscuous mode
[  746.688409] br0: port 4(sender) entered blocking state
[  746.688493] br0: port 4(sender) entered forwarding state
[  746.688551] br0: port 3(c3) entered blocking state
[  746.688596] br0: port 3(c3) entered forwarding state
[  746.688653] br0: port 2(c2) entered blocking state
[  746.688701] br0: port 2(c2) entered forwarding state
[  746.688752] br0: port 1(c1) entered blocking state
[  746.688791] br0: port 1(c1) entered forwarding state
[  757.465919] br0: port 1(c1) entered disabled state
[  757.466362] c1 (unregistering): left allmulticast mode
[  757.466429] c1 (unregistering): left promiscuous mode
[  757.466485] br0: port 1(c1) entered disabled state
[  757.514767] br0: port 2(c2) entered disabled state
[  757.515107] c2 (unregistering): left allmulticast mode
[  757.515173] c2 (unregistering): left promiscuous mode
[  757.515225] br0: port 2(c2) entered disabled state
[  757.559735] br0: port 3(c3) entered disabled state
[  757.560042] c3 (unregistering): left allmulticast mode
[  757.560104] c3 (unregistering): left promiscuous mode
[  757.560159] br0: port 3(c3) entered disabled state
[  757.612743] br0: port 4(sender) entered disabled state
[  757.613047] sender (unregistering): left allmulticast mode
[  757.613128] sender (unregistering): left promiscuous mode
[  757.613172] br0: port 4(sender) entered disabled state