[ 2019.980722][T23355] br0: port 1(c1) entered blocking state
[ 2019.981588][T23355] br0: port 1(c1) entered disabled state
[ 2019.981960][T23355] c1: entered allmulticast mode
[ 2019.985288][T23355] c1: entered promiscuous mode
[ 2020.667147][T23360] br0: port 2(c2) entered blocking state
[ 2020.667506][T23360] br0: port 2(c2) entered disabled state
[ 2020.667882][T23360] c2: entered allmulticast mode
[ 2020.671897][T23360] c2: entered promiscuous mode
[ 2021.425259][T23365] br0: port 3(c3) entered blocking state
[ 2021.425626][T23365] br0: port 3(c3) entered disabled state
[ 2021.426738][T23365] c3: entered allmulticast mode
[ 2021.431043][T23365] c3: entered promiscuous mode
[ 2022.190847][T23370] br0: port 4(sender) entered blocking state
[ 2022.192456][T23370] br0: port 4(sender) entered disabled state
[ 2022.192935][T23370] sender: entered allmulticast mode
[ 2022.196274][T23370] sender: entered promiscuous mode
[ 2022.453151][T23372] br0: port 4(sender) entered blocking state
[ 2022.453682][T23372] br0: port 4(sender) entered forwarding state
[ 2022.454497][T23372] br0: port 3(c3) entered blocking state
[ 2022.454852][T23372] br0: port 3(c3) entered forwarding state
[ 2022.455538][T23372] br0: port 2(c2) entered blocking state
[ 2022.455883][T23372] br0: port 2(c2) entered forwarding state
[ 2022.456592][T23372] br0: port 1(c1) entered blocking state
[ 2022.456946][T23372] br0: port 1(c1) entered forwarding state
[ 2035.022397][   T12] br0: port 1(c1) entered disabled state
[ 2035.137508][   T12] c1 (unregistering): left allmulticast mode
[ 2035.137993][   T12] c1 (unregistering): left promiscuous mode
[ 2035.138374][   T12] br0: port 1(c1) entered disabled state
[ 2035.643869][   T12] br0: port 2(c2) entered disabled state
[ 2035.754326][   T12] c2 (unregistering): left allmulticast mode
[ 2035.755068][   T12] c2 (unregistering): left promiscuous mode
[ 2035.755724][   T12] br0: port 2(c2) entered disabled state
[ 2036.207090][   T12] br0: port 3(c3) entered disabled state
[ 2036.323417][   T12] c3 (unregistering): left allmulticast mode
[ 2036.324108][   T12] c3 (unregistering): left promiscuous mode
[ 2036.324726][   T12] br0: port 3(c3) entered disabled state
[ 2036.760433][   T12] br0: port 4(sender) entered disabled state
[ 2036.899837][   T12] sender (unregistering): left allmulticast mode
[ 2036.900346][   T12] sender (unregistering): left promiscuous mode
[ 2036.900758][   T12] br0: port 4(sender) entered disabled state