[  977.810412][T30506] br0: port 1(c1) entered blocking state
[  977.810603][T30506] br0: port 1(c1) entered disabled state
[  977.810794][T30506] c1: entered allmulticast mode
[  977.812508][T30506] c1: entered promiscuous mode
[  977.978531][T30511] br0: port 2(c2) entered blocking state
[  977.978706][T30511] br0: port 2(c2) entered disabled state
[  977.978870][T30511] c2: entered allmulticast mode
[  977.981284][T30511] c2: entered promiscuous mode
[  978.123621][T30516] br0: port 3(c3) entered blocking state
[  978.123805][T30516] br0: port 3(c3) entered disabled state
[  978.123983][T30516] c3: entered allmulticast mode
[  978.125629][T30516] c3: entered promiscuous mode
[  978.291837][T30521] br0: port 4(sender) entered blocking state
[  978.292076][T30521] br0: port 4(sender) entered disabled state
[  978.292290][T30521] sender: entered allmulticast mode
[  978.293777][T30521] sender: entered promiscuous mode
[  978.352739][T30523] br0: port 4(sender) entered blocking state
[  978.353451][T30523] br0: port 4(sender) entered forwarding state
[  978.353808][T30523] br0: port 3(c3) entered blocking state
[  978.353985][T30523] br0: port 3(c3) entered forwarding state
[  978.354323][T30523] br0: port 2(c2) entered blocking state
[  978.354502][T30523] br0: port 2(c2) entered forwarding state
[  978.354818][T30523] br0: port 1(c1) entered blocking state
[  978.355005][T30523] br0: port 1(c1) entered forwarding state
[  989.446457][   T12] br0: port 1(c1) entered disabled state
[  989.458984][   T12] c1 (unregistering): left allmulticast mode
[  989.460110][   T12] c1 (unregistering): left promiscuous mode
[  989.460337][   T12] br0: port 1(c1) entered disabled state
[  989.610630][   T12] br0: port 2(c2) entered disabled state
[  989.624709][   T12] c2 (unregistering): left allmulticast mode
[  989.624919][   T12] c2 (unregistering): left promiscuous mode
[  989.625140][   T12] br0: port 2(c2) entered disabled state
[  989.770801][   T12] br0: port 3(c3) entered disabled state
[  989.782117][   T12] c3 (unregistering): left allmulticast mode
[  989.782323][   T12] c3 (unregistering): left promiscuous mode
[  989.782506][   T12] br0: port 3(c3) entered disabled state
[  989.927903][   T12] br0: port 4(sender) entered disabled state
[  989.939815][   T12] sender (unregistering): left allmulticast mode
[  989.940049][   T12] sender (unregistering): left promiscuous mode
[  989.940244][   T12] br0: port 4(sender) entered disabled state