[   37.542690][  T744] br0: port 1(c1) entered blocking state
[   37.542868][  T744] br0: port 1(c1) entered disabled state
[   37.543016][  T744] c1: entered allmulticast mode
[   37.544427][  T744] c1: entered promiscuous mode
[   37.671032][  T749] br0: port 2(c2) entered blocking state
[   37.671216][  T749] br0: port 2(c2) entered disabled state
[   37.671369][  T749] c2: entered allmulticast mode
[   37.672777][  T749] c2: entered promiscuous mode
[   37.816156][  T754] br0: port 3(c3) entered blocking state
[   37.816322][  T754] br0: port 3(c3) entered disabled state
[   37.816472][  T754] c3: entered allmulticast mode
[   37.817859][  T754] c3: entered promiscuous mode
[   37.943540][  T759] br0: port 4(sender) entered blocking state
[   37.943736][  T759] br0: port 4(sender) entered disabled state
[   37.943922][  T759] sender: entered allmulticast mode
[   37.945994][  T759] sender: entered promiscuous mode
[   38.003017][  T761] br0: port 4(sender) entered blocking state
[   38.003470][  T761] br0: port 4(sender) entered forwarding state
[   38.003887][  T761] br0: port 3(c3) entered blocking state
[   38.004027][  T761] br0: port 3(c3) entered forwarding state
[   38.004310][  T761] br0: port 2(c2) entered blocking state
[   38.004451][  T761] br0: port 2(c2) entered forwarding state
[   38.004760][  T761] br0: port 1(c1) entered blocking state
[   38.004904][  T761] br0: port 1(c1) entered forwarding state
[   49.196880][   T12] br0: port 1(c1) entered disabled state
[   49.199134][   T12] c1 (unregistering): left allmulticast mode
[   49.199351][   T12] c1 (unregistering): left promiscuous mode
[   49.199522][   T12] br0: port 1(c1) entered disabled state
[   49.314517][   T12] br0: port 2(c2) entered disabled state
[   49.316649][   T12] c2 (unregistering): left allmulticast mode
[   49.316908][   T12] c2 (unregistering): left promiscuous mode
[   49.317089][   T12] br0: port 2(c2) entered disabled state
[   49.456528][   T12] br0: port 3(c3) entered disabled state
[   49.458702][   T12] c3 (unregistering): left allmulticast mode
[   49.458892][   T12] c3 (unregistering): left promiscuous mode
[   49.459070][   T12] br0: port 3(c3) entered disabled state
[   49.575527][   T12] br0: port 4(sender) entered disabled state
[   49.577572][   T12] sender (unregistering): left allmulticast mode
[   49.577757][   T12] sender (unregistering): left promiscuous mode
[   49.577928][   T12] br0: port 4(sender) entered disabled state