[  749.359367] br0: port 1(c1) entered blocking state
[  749.359477] br0: port 1(c1) entered disabled state
[  749.359554] c1: entered allmulticast mode
[  749.359647] c1: entered promiscuous mode
[  749.414788] br0: port 2(c2) entered blocking state
[  749.414891] br0: port 2(c2) entered disabled state
[  749.414970] c2: entered allmulticast mode
[  749.415066] c2: entered promiscuous mode
[  749.471043] br0: port 3(c3) entered blocking state
[  749.471120] br0: port 3(c3) entered disabled state
[  749.471189] c3: entered allmulticast mode
[  749.471309] c3: entered promiscuous mode
[  749.520816] br0: port 4(sender) entered blocking state
[  749.520922] br0: port 4(sender) entered disabled state
[  749.520991] sender: entered allmulticast mode
[  749.521093] sender: entered promiscuous mode
[  749.539919] br0: port 4(sender) entered blocking state
[  749.540021] br0: port 4(sender) entered forwarding state
[  749.540087] br0: port 3(c3) entered blocking state
[  749.540138] br0: port 3(c3) entered forwarding state
[  749.540191] br0: port 2(c2) entered blocking state
[  749.540242] br0: port 2(c2) entered forwarding state
[  749.540297] br0: port 1(c1) entered blocking state
[  749.540345] br0: port 1(c1) entered forwarding state
[  760.297985] br0: port 1(c1) entered disabled state
[  760.298397] c1 (unregistering): left allmulticast mode
[  760.298485] c1 (unregistering): left promiscuous mode
[  760.298555] br0: port 1(c1) entered disabled state
[  760.355004] br0: port 2(c2) entered disabled state
[  760.355358] c2 (unregistering): left allmulticast mode
[  760.355426] c2 (unregistering): left promiscuous mode
[  760.355472] br0: port 2(c2) entered disabled state
[  760.396891] br0: port 3(c3) entered disabled state
[  760.397359] c3 (unregistering): left allmulticast mode
[  760.397443] c3 (unregistering): left promiscuous mode
[  760.397502] br0: port 3(c3) entered disabled state
[  760.439866] br0: port 4(sender) entered disabled state
[  760.440317] sender (unregistering): left allmulticast mode
[  760.440408] sender (unregistering): left promiscuous mode
[  760.440458] br0: port 4(sender) entered disabled state