[  519.972967] br0: port 1(c1) entered blocking state
[  519.973029] br0: port 1(c1) entered disabled state
[  519.973089] c1: entered allmulticast mode
[  519.973163] c1: entered promiscuous mode
[  520.023562] br0: port 2(c2) entered blocking state
[  520.023622] br0: port 2(c2) entered disabled state
[  520.023684] c2: entered allmulticast mode
[  520.023757] c2: entered promiscuous mode
[  520.073755] br0: port 3(c3) entered blocking state
[  520.073829] br0: port 3(c3) entered disabled state
[  520.073908] c3: entered allmulticast mode
[  520.074001] c3: entered promiscuous mode
[  520.124603] br0: port 4(sender) entered blocking state
[  520.124658] br0: port 4(sender) entered disabled state
[  520.124712] sender: entered allmulticast mode
[  520.124788] sender: entered promiscuous mode
[  520.144302] br0: port 4(sender) entered blocking state
[  520.144363] br0: port 4(sender) entered forwarding state
[  520.144416] br0: port 3(c3) entered blocking state
[  520.144469] br0: port 3(c3) entered forwarding state
[  520.144521] br0: port 2(c2) entered blocking state
[  520.144573] br0: port 2(c2) entered forwarding state
[  520.144624] br0: port 1(c1) entered blocking state
[  520.144677] br0: port 1(c1) entered forwarding state
[  530.852100] br0: port 1(c1) entered disabled state
[  530.852346] c1 (unregistering): left allmulticast mode
[  530.852387] c1 (unregistering): left promiscuous mode
[  530.852421] br0: port 1(c1) entered disabled state
[  530.894045] br0: port 2(c2) entered disabled state
[  530.894322] c2 (unregistering): left allmulticast mode
[  530.894376] c2 (unregistering): left promiscuous mode
[  530.894424] br0: port 2(c2) entered disabled state
[  530.942133] br0: port 3(c3) entered disabled state
[  530.942472] c3 (unregistering): left allmulticast mode
[  530.942523] c3 (unregistering): left promiscuous mode
[  530.942574] br0: port 3(c3) entered disabled state
[  530.971002] sender: left allmulticast mode
[  530.971058] sender: left promiscuous mode
[  530.971103] br0: port 4(sender) entered disabled state