[  491.944788] br0: port 1(c1) entered blocking state
[  491.944857] br0: port 1(c1) entered disabled state
[  491.944920] c1: entered allmulticast mode
[  491.945000] c1: entered promiscuous mode
[  492.006323] br0: port 2(c2) entered blocking state
[  492.006388] br0: port 2(c2) entered disabled state
[  492.006452] c2: entered allmulticast mode
[  492.006517] c2: entered promiscuous mode
[  492.065624] br0: port 3(c3) entered blocking state
[  492.065697] br0: port 3(c3) entered disabled state
[  492.065760] c3: entered allmulticast mode
[  492.065826] c3: entered promiscuous mode
[  492.124501] br0: port 4(sender) entered blocking state
[  492.124575] br0: port 4(sender) entered disabled state
[  492.124654] sender: entered allmulticast mode
[  492.124746] sender: entered promiscuous mode
[  492.146148] br0: port 4(sender) entered blocking state
[  492.146226] br0: port 4(sender) entered forwarding state
[  492.146281] br0: port 3(c3) entered blocking state
[  492.146339] br0: port 3(c3) entered forwarding state
[  492.146389] br0: port 2(c2) entered blocking state
[  492.146444] br0: port 2(c2) entered forwarding state
[  492.146497] br0: port 1(c1) entered blocking state
[  492.146556] br0: port 1(c1) entered forwarding state
[  502.872412] br0: port 1(c1) entered disabled state
[  502.872817] c1 (unregistering): left allmulticast mode
[  502.872872] c1 (unregistering): left promiscuous mode
[  502.872911] br0: port 1(c1) entered disabled state
[  502.915441] br0: port 2(c2) entered disabled state
[  502.915832] c2 (unregistering): left allmulticast mode
[  502.915883] c2 (unregistering): left promiscuous mode
[  502.915926] br0: port 2(c2) entered disabled state
[  502.962333] br0: port 3(c3) entered disabled state
[  502.962669] c3 (unregistering): left allmulticast mode
[  502.962743] c3 (unregistering): left promiscuous mode
[  502.962795] br0: port 3(c3) entered disabled state
[  503.008409] br0: port 4(sender) entered disabled state
[  503.008755] sender (unregistering): left allmulticast mode
[  503.008864] sender (unregistering): left promiscuous mode
[  503.008912] br0: port 4(sender) entered disabled state