[  541.872355] br0: port 1(c1) entered blocking state
[  541.872431] br0: port 1(c1) entered disabled state
[  541.872502] c1: entered allmulticast mode
[  541.872598] c1: entered promiscuous mode
[  541.960747] br0: port 2(c2) entered blocking state
[  541.960802] br0: port 2(c2) entered disabled state
[  541.960853] c2: entered allmulticast mode
[  541.960923] c2: entered promiscuous mode
[  542.047532] br0: port 3(c3) entered blocking state
[  542.047611] br0: port 3(c3) entered disabled state
[  542.047680] c3: entered allmulticast mode
[  542.047770] c3: entered promiscuous mode
[  542.132716] br0: port 4(sender) entered blocking state
[  542.132784] br0: port 4(sender) entered disabled state
[  542.132835] sender: entered allmulticast mode
[  542.132907] sender: entered promiscuous mode
[  542.166191] br0: port 4(sender) entered blocking state
[  542.166254] br0: port 4(sender) entered forwarding state
[  542.166300] br0: port 3(c3) entered blocking state
[  542.166338] br0: port 3(c3) entered forwarding state
[  542.166381] br0: port 2(c2) entered blocking state
[  542.166418] br0: port 2(c2) entered forwarding state
[  542.166461] br0: port 1(c1) entered blocking state
[  542.166519] br0: port 1(c1) entered forwarding state
[  552.966928] br0: port 1(c1) entered disabled state
[  552.967166] c1 (unregistering): left allmulticast mode
[  552.967214] c1 (unregistering): left promiscuous mode
[  552.967263] br0: port 1(c1) entered disabled state
[  553.015913] br0: port 2(c2) entered disabled state
[  553.016160] c2 (unregistering): left allmulticast mode
[  553.016209] c2 (unregistering): left promiscuous mode
[  553.016255] br0: port 2(c2) entered disabled state
[  553.077931] br0: port 3(c3) entered disabled state
[  553.078176] c3 (unregistering): left allmulticast mode
[  553.078230] c3 (unregistering): left promiscuous mode
[  553.078273] br0: port 3(c3) entered disabled state
[  553.127873] br0: port 4(sender) entered disabled state
[  553.128112] sender (unregistering): left allmulticast mode
[  553.128170] sender (unregistering): left promiscuous mode
[  553.128214] br0: port 4(sender) entered disabled state