[  580.743819] br0: port 1(c1) entered blocking state
[  580.743892] br0: port 1(c1) entered disabled state
[  580.743952] c1: entered allmulticast mode
[  580.744034] c1: entered promiscuous mode
[  580.823311] br0: port 2(c2) entered blocking state
[  580.823372] br0: port 2(c2) entered disabled state
[  580.823422] c2: entered allmulticast mode
[  580.823488] c2: entered promiscuous mode
[  580.904577] br0: port 3(c3) entered blocking state
[  580.904637] br0: port 3(c3) entered disabled state
[  580.904693] c3: entered allmulticast mode
[  580.904773] c3: entered promiscuous mode
[  580.984455] br0: port 4(sender) entered blocking state
[  580.984519] br0: port 4(sender) entered disabled state
[  580.984572] sender: entered allmulticast mode
[  580.984653] sender: entered promiscuous mode
[  581.015277] br0: port 4(sender) entered blocking state
[  581.015339] br0: port 4(sender) entered forwarding state
[  581.015385] br0: port 3(c3) entered blocking state
[  581.015423] br0: port 3(c3) entered forwarding state
[  581.015461] br0: port 2(c2) entered blocking state
[  581.015499] br0: port 2(c2) entered forwarding state
[  581.015536] br0: port 1(c1) entered blocking state
[  581.015581] br0: port 1(c1) entered forwarding state
[  591.838179] br0: port 1(c1) entered disabled state
[  591.838450] c1 (unregistering): left allmulticast mode
[  591.838503] c1 (unregistering): left promiscuous mode
[  591.838544] br0: port 1(c1) entered disabled state
[  591.901147] br0: port 2(c2) entered disabled state
[  591.901418] c2 (unregistering): left allmulticast mode
[  591.901473] c2 (unregistering): left promiscuous mode
[  591.901517] br0: port 2(c2) entered disabled state
[  591.959181] br0: port 3(c3) entered disabled state
[  591.959482] c3 (unregistering): left allmulticast mode
[  591.959536] c3 (unregistering): left promiscuous mode
[  591.959579] br0: port 3(c3) entered disabled state
[  592.017142] br0: port 4(sender) entered disabled state
[  592.017386] sender (unregistering): left allmulticast mode
[  592.017433] sender (unregistering): left promiscuous mode
[  592.017473] br0: port 4(sender) entered disabled state