[  744.901632] br0: port 1(c1) entered blocking state
[  744.901707] br0: port 1(c1) entered disabled state
[  744.901775] c1: entered allmulticast mode
[  744.901860] c1: entered promiscuous mode
[  744.948190] br0: port 2(c2) entered blocking state
[  744.948243] br0: port 2(c2) entered disabled state
[  744.948293] c2: entered allmulticast mode
[  744.948360] c2: entered promiscuous mode
[  745.002710] br0: port 3(c3) entered blocking state
[  745.002822] br0: port 3(c3) entered disabled state
[  745.002916] c3: entered allmulticast mode
[  745.003023] c3: entered promiscuous mode
[  745.105233] br0: port 4(sender) entered blocking state
[  745.105373] br0: port 4(sender) entered disabled state
[  745.105449] sender: entered allmulticast mode
[  745.105609] sender: entered promiscuous mode
[  745.145636] br0: port 4(sender) entered blocking state
[  745.145769] br0: port 4(sender) entered forwarding state
[  745.145846] br0: port 3(c3) entered blocking state
[  745.145905] br0: port 3(c3) entered forwarding state
[  745.145969] br0: port 2(c2) entered blocking state
[  745.146028] br0: port 2(c2) entered forwarding state
[  745.146089] br0: port 1(c1) entered blocking state
[  745.146164] br0: port 1(c1) entered forwarding state
[  755.985910] br0: port 1(c1) entered disabled state
[  755.986276] c1 (unregistering): left allmulticast mode
[  755.986350] c1 (unregistering): left promiscuous mode
[  755.986416] br0: port 1(c1) entered disabled state
[  756.044988] br0: port 2(c2) entered disabled state
[  756.045412] c2 (unregistering): left allmulticast mode
[  756.045462] c2 (unregistering): left promiscuous mode
[  756.045504] br0: port 2(c2) entered disabled state
[  756.100926] br0: port 3(c3) entered disabled state
[  756.101284] c3 (unregistering): left allmulticast mode
[  756.101371] c3 (unregistering): left promiscuous mode
[  756.101429] br0: port 3(c3) entered disabled state
[  756.156877] br0: port 4(sender) entered disabled state
[  756.157179] sender (unregistering): left allmulticast mode
[  756.157242] sender (unregistering): left promiscuous mode
[  756.157284] br0: port 4(sender) entered disabled state