[   10.011722] br0: port 1(c1) entered blocking state
[   10.011765] br0: port 1(c1) entered disabled state
[   10.011802] c1: entered allmulticast mode
[   10.011858] c1: entered promiscuous mode
[   10.026160] br0: port 2(c2) entered blocking state
[   10.026202] br0: port 2(c2) entered disabled state
[   10.026237] c2: entered allmulticast mode
[   10.026279] c2: entered promiscuous mode
[   10.040677] br0: port 3(c3) entered blocking state
[   10.040740] br0: port 3(c3) entered disabled state
[   10.040811] c3: entered allmulticast mode
[   10.040884] c3: entered promiscuous mode
[   10.055244] br0: port 4(sender) entered blocking state
[   10.055273] br0: port 4(sender) entered disabled state
[   10.055306] sender: entered allmulticast mode
[   10.055357] sender: entered promiscuous mode
[   10.060941] br0: port 4(sender) entered blocking state
[   10.061002] br0: port 4(sender) entered forwarding state
[   10.061066] br0: port 3(c3) entered blocking state
[   10.061125] br0: port 3(c3) entered forwarding state
[   10.061187] br0: port 2(c2) entered blocking state
[   10.061248] br0: port 2(c2) entered forwarding state
[   10.061310] br0: port 1(c1) entered blocking state
[   10.061371] br0: port 1(c1) entered forwarding state
[   20.763129] br0: port 1(c1) entered disabled state
[   20.763437] c1 (unregistering): left allmulticast mode
[   20.763470] c1 (unregistering): left promiscuous mode
[   20.763502] br0: port 1(c1) entered disabled state
[   20.789734] br0: port 3(c3) entered disabled state
[   20.789805] br0: port 2(c2) entered disabled state
[   20.789998] c3 (unregistering): left allmulticast mode
[   20.790027] c3 (unregistering): left promiscuous mode
[   20.790056] br0: port 3(c3) entered disabled state
[   20.790281] c2 (unregistering): left allmulticast mode
[   20.790310] c2 (unregistering): left promiscuous mode
[   20.790338] br0: port 2(c2) entered disabled state
[   20.821722] sender: left allmulticast mode
[   20.821756] sender: left promiscuous mode
[   20.821784] br0: port 4(sender) entered disabled state