[  721.313456] br0: port 1(c1) entered blocking state
[  721.313538] br0: port 1(c1) entered disabled state
[  721.313609] c1: entered allmulticast mode
[  721.313729] c1: entered promiscuous mode
[  721.369972] br0: port 2(c2) entered blocking state
[  721.370056] br0: port 2(c2) entered disabled state
[  721.370128] c2: entered allmulticast mode
[  721.370220] c2: entered promiscuous mode
[  721.425120] br0: port 3(c3) entered blocking state
[  721.425194] br0: port 3(c3) entered disabled state
[  721.425290] c3: entered allmulticast mode
[  721.425382] c3: entered promiscuous mode
[  721.477505] br0: port 4(sender) entered blocking state
[  721.477577] br0: port 4(sender) entered disabled state
[  721.477648] sender: entered allmulticast mode
[  721.477765] sender: entered promiscuous mode
[  721.499070] br0: port 4(sender) entered blocking state
[  721.499156] br0: port 4(sender) entered forwarding state
[  721.499214] br0: port 3(c3) entered blocking state
[  721.499271] br0: port 3(c3) entered forwarding state
[  721.499330] br0: port 2(c2) entered blocking state
[  721.499385] br0: port 2(c2) entered forwarding state
[  721.499441] br0: port 1(c1) entered blocking state
[  721.499496] br0: port 1(c1) entered forwarding state
[  732.229975] br0: port 1(c1) entered disabled state
[  732.230335] c1 (unregistering): left allmulticast mode
[  732.230453] c1 (unregistering): left promiscuous mode
[  732.230517] br0: port 1(c1) entered disabled state
[  732.275981] br0: port 2(c2) entered disabled state
[  732.276681] c2 (unregistering): left allmulticast mode
[  732.276773] c2 (unregistering): left promiscuous mode
[  732.276835] br0: port 2(c2) entered disabled state
[  732.330901] br0: port 3(c3) entered disabled state
[  732.331424] c3 (unregistering): left allmulticast mode
[  732.331504] c3 (unregistering): left promiscuous mode
[  732.331560] br0: port 3(c3) entered disabled state
[  732.363961] br0: port 4(sender) entered disabled state
[  732.364323] sender (unregistering): left allmulticast mode
[  732.364396] sender (unregistering): left promiscuous mode
[  732.364450] br0: port 4(sender) entered disabled state