[ 2017.654356][T21936] br0: port 1(c1) entered blocking state
[ 2017.654721][T21936] br0: port 1(c1) entered disabled state
[ 2017.655077][T21936] c1: entered allmulticast mode
[ 2017.658880][T21936] c1: entered promiscuous mode
[ 2018.343550][T21941] br0: port 2(c2) entered blocking state
[ 2018.343966][T21941] br0: port 2(c2) entered disabled state
[ 2018.344319][T21941] c2: entered allmulticast mode
[ 2018.347763][T21941] c2: entered promiscuous mode
[ 2019.037297][T21946] br0: port 3(c3) entered blocking state
[ 2019.037652][T21946] br0: port 3(c3) entered disabled state
[ 2019.038006][T21946] c3: entered allmulticast mode
[ 2019.042889][T21946] c3: entered promiscuous mode
[ 2019.741293][T21951] br0: port 4(sender) entered blocking state
[ 2019.741720][T21951] br0: port 4(sender) entered disabled state
[ 2019.742165][T21951] sender: entered allmulticast mode
[ 2019.746406][T21951] sender: entered promiscuous mode
[ 2019.989215][T21953] br0: port 4(sender) entered blocking state
[ 2019.989674][T21953] br0: port 4(sender) entered forwarding state
[ 2019.990398][T21953] br0: port 3(c3) entered blocking state
[ 2019.990706][T21953] br0: port 3(c3) entered forwarding state
[ 2019.991354][T21953] br0: port 2(c2) entered blocking state
[ 2019.991671][T21953] br0: port 2(c2) entered forwarding state
[ 2019.992312][T21953] br0: port 1(c1) entered blocking state
[ 2019.992636][T21953] br0: port 1(c1) entered forwarding state
[ 2032.466312][   T69] br0: port 1(c1) entered disabled state
[ 2032.609292][   T69] c1 (unregistering): left allmulticast mode
[ 2032.609778][   T69] c1 (unregistering): left promiscuous mode
[ 2032.610154][   T69] br0: port 1(c1) entered disabled state
[ 2033.013791][   T69] br0: port 2(c2) entered disabled state
[ 2033.140139][   T69] c2 (unregistering): left allmulticast mode
[ 2033.140612][   T69] c2 (unregistering): left promiscuous mode
[ 2033.140996][   T69] br0: port 2(c2) entered disabled state
[ 2033.582418][   T69] br0: port 3(c3) entered disabled state
[ 2033.729318][   T69] c3 (unregistering): left allmulticast mode
[ 2033.729876][   T69] c3 (unregistering): left promiscuous mode
[ 2033.730344][   T69] br0: port 3(c3) entered disabled state
[ 2034.112710][   T69] br0: port 4(sender) entered disabled state
[ 2034.197164][   T69] sender (unregistering): left allmulticast mode
[ 2034.197647][   T69] sender (unregistering): left promiscuous mode
[ 2034.198048][   T69] br0: port 4(sender) entered disabled state