[   19.374851] br0: port 1(c1) entered blocking state
[   19.374907] br0: port 1(c1) entered disabled state
[   19.374940] c1: entered allmulticast mode
[   19.374989] c1: entered promiscuous mode
[   19.386717] br0: port 2(c2) entered blocking state
[   19.386753] br0: port 2(c2) entered disabled state
[   19.386788] c2: entered allmulticast mode
[   19.386830] c2: entered promiscuous mode
[   19.398559] br0: port 3(c3) entered blocking state
[   19.398593] br0: port 3(c3) entered disabled state
[   19.398629] c3: entered allmulticast mode
[   19.398671] c3: entered promiscuous mode
[   19.403545] ip (1917) used greatest stack depth: 12056 bytes left
[   19.410658] br0: port 4(sender) entered blocking state
[   19.410692] br0: port 4(sender) entered disabled state
[   19.410729] sender: entered allmulticast mode
[   19.410786] sender: entered promiscuous mode
[   19.415375] br0: port 4(sender) entered blocking state
[   19.415410] br0: port 4(sender) entered forwarding state
[   19.415439] br0: port 3(c3) entered blocking state
[   19.415467] br0: port 3(c3) entered forwarding state
[   19.415504] br0: port 2(c2) entered blocking state
[   19.415531] br0: port 2(c2) entered forwarding state
[   19.415563] br0: port 1(c1) entered blocking state
[   19.415590] br0: port 1(c1) entered forwarding state
[   30.051879] br0: port 1(c1) entered disabled state
[   30.052195] c1 (unregistering): left allmulticast mode
[   30.052235] c1 (unregistering): left promiscuous mode
[   30.052270] br0: port 1(c1) entered disabled state
[   30.082834] br0: port 3(c3) entered disabled state
[   30.082905] br0: port 2(c2) entered disabled state
[   30.083030] c3 (unregistering): left allmulticast mode
[   30.083064] c3 (unregistering): left promiscuous mode
[   30.083099] br0: port 3(c3) entered disabled state
[   30.083263] c2 (unregistering): left allmulticast mode
[   30.083301] c2 (unregistering): left promiscuous mode
[   30.083328] br0: port 2(c2) entered disabled state
[   30.094823] sender: left allmulticast mode
[   30.094853] sender: left promiscuous mode
[   30.094885] br0: port 4(sender) entered disabled state