[ 2021.593259][T19343] br0: port 1(c1) entered blocking state
[ 2021.593636][T19343] br0: port 1(c1) entered disabled state
[ 2021.594009][T19343] c1: entered allmulticast mode
[ 2021.597380][T19343] c1: entered promiscuous mode
[ 2022.252641][T19348] br0: port 2(c2) entered blocking state
[ 2022.253014][T19348] br0: port 2(c2) entered disabled state
[ 2022.253355][T19348] c2: entered allmulticast mode
[ 2022.256714][T19348] c2: entered promiscuous mode
[ 2022.925176][T19353] br0: port 3(c3) entered blocking state
[ 2022.925615][T19353] br0: port 3(c3) entered disabled state
[ 2022.926025][T19353] c3: entered allmulticast mode
[ 2022.930805][T19353] c3: entered promiscuous mode
[ 2023.601853][T19358] br0: port 4(sender) entered blocking state
[ 2023.602358][T19358] br0: port 4(sender) entered disabled state
[ 2023.602769][T19358] sender: entered allmulticast mode
[ 2023.607618][T19358] sender: entered promiscuous mode
[ 2023.863337][T19360] br0: port 4(sender) entered blocking state
[ 2023.863854][T19360] br0: port 4(sender) entered forwarding state
[ 2023.864593][T19360] br0: port 3(c3) entered blocking state
[ 2023.864924][T19360] br0: port 3(c3) entered forwarding state
[ 2023.865578][T19360] br0: port 2(c2) entered blocking state
[ 2023.865912][T19360] br0: port 2(c2) entered forwarding state
[ 2023.866556][T19360] br0: port 1(c1) entered blocking state
[ 2023.866905][T19360] br0: port 1(c1) entered forwarding state
[ 2036.286667][   T12] br0: port 1(c1) entered disabled state
[ 2036.402669][   T12] c1 (unregistering): left allmulticast mode
[ 2036.403167][   T12] c1 (unregistering): left promiscuous mode
[ 2036.403571][   T12] br0: port 1(c1) entered disabled state
[ 2036.819664][   T12] br0: port 2(c2) entered disabled state
[ 2036.950650][   T12] c2 (unregistering): left allmulticast mode
[ 2036.951215][   T12] c2 (unregistering): left promiscuous mode
[ 2036.951604][   T12] br0: port 2(c2) entered disabled state
[ 2037.361668][   T12] br0: port 3(c3) entered disabled state
[ 2037.520710][   T12] c3 (unregistering): left allmulticast mode
[ 2037.521174][   T12] c3 (unregistering): left promiscuous mode
[ 2037.521550][   T12] br0: port 3(c3) entered disabled state
[ 2037.873791][   T12] br0: port 4(sender) entered disabled state
[ 2037.991646][   T12] sender (unregistering): left allmulticast mode
[ 2037.992106][   T12] sender (unregistering): left promiscuous mode
[ 2037.992501][   T12] br0: port 4(sender) entered disabled state