[  974.396648][T31441] br0: port 1(c1) entered blocking state
[  974.396888][T31441] br0: port 1(c1) entered disabled state
[  974.397101][T31441] c1: entered allmulticast mode
[  974.399560][T31441] c1: entered promiscuous mode
[  974.543470][T31446] br0: port 2(c2) entered blocking state
[  974.543652][T31446] br0: port 2(c2) entered disabled state
[  974.543810][T31446] c2: entered allmulticast mode
[  974.553320][T31446] c2: entered promiscuous mode
[  974.694069][T31451] br0: port 3(c3) entered blocking state
[  974.694929][T31451] br0: port 3(c3) entered disabled state
[  974.695141][T31451] c3: entered allmulticast mode
[  974.696679][T31451] c3: entered promiscuous mode
[  974.861015][T31456] br0: port 4(sender) entered blocking state
[  974.861297][T31456] br0: port 4(sender) entered disabled state
[  974.861558][T31456] sender: entered allmulticast mode
[  974.863118][T31456] sender: entered promiscuous mode
[  974.934543][T31458] br0: port 4(sender) entered blocking state
[  974.934768][T31458] br0: port 4(sender) entered forwarding state
[  974.935104][T31458] br0: port 3(c3) entered blocking state
[  974.935258][T31458] br0: port 3(c3) entered forwarding state
[  974.935613][T31458] br0: port 2(c2) entered blocking state
[  974.935758][T31458] br0: port 2(c2) entered forwarding state
[  974.936053][T31458] br0: port 1(c1) entered blocking state
[  974.936211][T31458] br0: port 1(c1) entered forwarding state
[  986.034347][   T12] br0: port 1(c1) entered disabled state
[  986.037199][   T12] c1 (unregistering): left allmulticast mode
[  986.037398][   T12] c1 (unregistering): left promiscuous mode
[  986.037576][   T12] br0: port 1(c1) entered disabled state
[  986.159153][   T12] br0: port 2(c2) entered disabled state
[  986.161484][   T12] c2 (unregistering): left allmulticast mode
[  986.161714][   T12] c2 (unregistering): left promiscuous mode
[  986.161941][   T12] br0: port 2(c2) entered disabled state
[  986.291468][   T12] br0: port 3(c3) entered disabled state
[  986.301779][   T12] c3 (unregistering): left allmulticast mode
[  986.302036][   T12] c3 (unregistering): left promiscuous mode
[  986.303015][   T12] br0: port 3(c3) entered disabled state
[  986.428296][   T12] br0: port 4(sender) entered disabled state
[  986.430935][   T12] sender (unregistering): left allmulticast mode
[  986.432045][   T12] sender (unregistering): left promiscuous mode
[  986.432305][   T12] br0: port 4(sender) entered disabled state