[  972.713749][T31252] br0: port 1(c1) entered blocking state
[  972.713942][T31252] br0: port 1(c1) entered disabled state
[  972.714451][T31252] c1: entered allmulticast mode
[  972.715963][T31252] c1: entered promiscuous mode
[  972.853641][T31257] br0: port 2(c2) entered blocking state
[  972.853822][T31257] br0: port 2(c2) entered disabled state
[  972.853979][T31257] c2: entered allmulticast mode
[  972.862976][T31257] c2: entered promiscuous mode
[  973.000312][T31262] br0: port 3(c3) entered blocking state
[  973.000501][T31262] br0: port 3(c3) entered disabled state
[  973.000848][T31262] c3: entered allmulticast mode
[  973.002369][T31262] c3: entered promiscuous mode
[  973.147071][T31267] br0: port 4(sender) entered blocking state
[  973.147273][T31267] br0: port 4(sender) entered disabled state
[  973.147473][T31267] sender: entered allmulticast mode
[  973.148979][T31267] sender: entered promiscuous mode
[  973.194476][T31269] br0: port 4(sender) entered blocking state
[  973.194745][T31269] br0: port 4(sender) entered forwarding state
[  973.195153][T31269] br0: port 3(c3) entered blocking state
[  973.195323][T31269] br0: port 3(c3) entered forwarding state
[  973.195654][T31269] br0: port 2(c2) entered blocking state
[  973.195830][T31269] br0: port 2(c2) entered forwarding state
[  973.196168][T31269] br0: port 1(c1) entered blocking state
[  973.196353][T31269] br0: port 1(c1) entered forwarding state
[  984.300558][   T12] br0: port 1(c1) entered disabled state
[  984.313811][   T12] c1 (unregistering): left allmulticast mode
[  984.314048][   T12] c1 (unregistering): left promiscuous mode
[  984.314250][   T12] br0: port 1(c1) entered disabled state
[  984.438144][   T12] br0: port 2(c2) entered disabled state
[  984.449588][   T12] c2 (unregistering): left allmulticast mode
[  984.449828][   T12] c2 (unregistering): left promiscuous mode
[  984.450030][   T12] br0: port 2(c2) entered disabled state
[  984.574187][   T12] br0: port 3(c3) entered disabled state
[  984.585760][   T12] c3 (unregistering): left allmulticast mode
[  984.585980][   T12] c3 (unregistering): left promiscuous mode
[  984.586218][   T12] br0: port 3(c3) entered disabled state
[  984.705563][   T12] br0: port 4(sender) entered disabled state
[  984.715099][   T12] sender (unregistering): left allmulticast mode
[  984.715317][   T12] sender (unregistering): left promiscuous mode
[  984.715523][   T12] br0: port 4(sender) entered disabled state