[   24.472661] br0: port 1(c1) entered blocking state
[   24.472743] br0: port 1(c1) entered disabled state
[   24.472805] c1: entered allmulticast mode
[   24.472874] c1: entered promiscuous mode
[   24.508743] br0: port 2(c2) entered blocking state
[   24.508806] br0: port 2(c2) entered disabled state
[   24.508854] c2: entered allmulticast mode
[   24.508915] c2: entered promiscuous mode
[   24.524195] ip (2118) used greatest stack depth: 11976 bytes left
[   24.545160] br0: port 3(c3) entered blocking state
[   24.545243] br0: port 3(c3) entered disabled state
[   24.545306] c3: entered allmulticast mode
[   24.545374] c3: entered promiscuous mode
[   24.582721] br0: port 4(sender) entered blocking state
[   24.582812] br0: port 4(sender) entered disabled state
[   24.582874] sender: entered allmulticast mode
[   24.582963] sender: entered promiscuous mode
[   24.597430] br0: port 4(sender) entered blocking state
[   24.597504] br0: port 4(sender) entered forwarding state
[   24.597557] br0: port 3(c3) entered blocking state
[   24.597603] br0: port 3(c3) entered forwarding state
[   24.597651] br0: port 2(c2) entered blocking state
[   24.597698] br0: port 2(c2) entered forwarding state
[   24.597747] br0: port 1(c1) entered blocking state
[   24.597791] br0: port 1(c1) entered forwarding state
[   35.364315] br0: port 1(c1) entered disabled state
[   35.364620] c1 (unregistering): left allmulticast mode
[   35.364663] c1 (unregistering): left promiscuous mode
[   35.364703] br0: port 1(c1) entered disabled state
[   35.400314] br0: port 2(c2) entered disabled state
[   35.400497] c2 (unregistering): left allmulticast mode
[   35.400538] c2 (unregistering): left promiscuous mode
[   35.400572] br0: port 2(c2) entered disabled state
[   35.433305] br0: port 3(c3) entered disabled state
[   35.433481] c3 (unregistering): left allmulticast mode
[   35.433522] c3 (unregistering): left promiscuous mode
[   35.433561] br0: port 3(c3) entered disabled state
[   35.469299] br0: port 4(sender) entered disabled state
[   35.469476] sender (unregistering): left allmulticast mode
[   35.469517] sender (unregistering): left promiscuous mode
[   35.469551] br0: port 4(sender) entered disabled state