[ 2020.026975][T19163] br0: port 1(c1) entered blocking state
[ 2020.027331][T19163] br0: port 1(c1) entered disabled state
[ 2020.027684][T19163] c1: entered allmulticast mode
[ 2020.031518][T19163] c1: entered promiscuous mode
[ 2020.716824][T19168] br0: port 2(c2) entered blocking state
[ 2020.718074][T19168] br0: port 2(c2) entered disabled state
[ 2020.718443][T19168] c2: entered allmulticast mode
[ 2020.721808][T19168] c2: entered promiscuous mode
[ 2021.386795][T19173] br0: port 3(c3) entered blocking state
[ 2021.387234][T19173] br0: port 3(c3) entered disabled state
[ 2021.387580][T19173] c3: entered allmulticast mode
[ 2021.391414][T19173] c3: entered promiscuous mode
[ 2022.052122][T19178] br0: port 4(sender) entered blocking state
[ 2022.052572][T19178] br0: port 4(sender) entered disabled state
[ 2022.052999][T19178] sender: entered allmulticast mode
[ 2022.056546][T19178] sender: entered promiscuous mode
[ 2022.315716][T19180] br0: port 4(sender) entered blocking state
[ 2022.316243][T19180] br0: port 4(sender) entered forwarding state
[ 2022.316973][T19180] br0: port 3(c3) entered blocking state
[ 2022.317294][T19180] br0: port 3(c3) entered forwarding state
[ 2022.317953][T19180] br0: port 2(c2) entered blocking state
[ 2022.318278][T19180] br0: port 2(c2) entered forwarding state
[ 2022.318920][T19180] br0: port 1(c1) entered blocking state
[ 2022.319258][T19180] br0: port 1(c1) entered forwarding state
[ 2034.764704][   T12] br0: port 1(c1) entered disabled state
[ 2034.842240][   T12] c1 (unregistering): left allmulticast mode
[ 2034.842669][   T12] c1 (unregistering): left promiscuous mode
[ 2034.843058][   T12] br0: port 1(c1) entered disabled state
[ 2035.320143][   T12] br0: port 2(c2) entered disabled state
[ 2035.450783][   T12] c2 (unregistering): left allmulticast mode
[ 2035.451305][   T12] c2 (unregistering): left promiscuous mode
[ 2035.451686][   T12] br0: port 2(c2) entered disabled state
[ 2035.876124][   T12] br0: port 3(c3) entered disabled state
[ 2036.003825][   T12] c3 (unregistering): left allmulticast mode
[ 2036.004340][   T12] c3 (unregistering): left promiscuous mode
[ 2036.004728][   T12] br0: port 3(c3) entered disabled state
[ 2036.407568][   T12] br0: port 4(sender) entered disabled state
[ 2036.500409][   T12] sender (unregistering): left allmulticast mode
[ 2036.500872][   T12] sender (unregistering): left promiscuous mode
[ 2036.501275][   T12] br0: port 4(sender) entered disabled state