[  451.283150] br0: port 1(c1) entered blocking state
[  451.283210] br0: port 1(c1) entered disabled state
[  451.283261] c1: entered allmulticast mode
[  451.283325] c1: entered promiscuous mode
[  451.324797] br0: port 2(c2) entered blocking state
[  451.324882] br0: port 2(c2) entered disabled state
[  451.324952] c2: entered allmulticast mode
[  451.325025] c2: entered promiscuous mode
[  451.372641] br0: port 3(c3) entered blocking state
[  451.372708] br0: port 3(c3) entered disabled state
[  451.372764] c3: entered allmulticast mode
[  451.372849] c3: entered promiscuous mode
[  451.424082] br0: port 4(sender) entered blocking state
[  451.424157] br0: port 4(sender) entered disabled state
[  451.424217] sender: entered allmulticast mode
[  451.424309] sender: entered promiscuous mode
[  451.443144] br0: port 4(sender) entered blocking state
[  451.443212] br0: port 4(sender) entered forwarding state
[  451.443266] br0: port 3(c3) entered blocking state
[  451.443321] br0: port 3(c3) entered forwarding state
[  451.443373] br0: port 2(c2) entered blocking state
[  451.443423] br0: port 2(c2) entered forwarding state
[  451.443475] br0: port 1(c1) entered blocking state
[  451.443526] br0: port 1(c1) entered forwarding state
[  462.148097] br0: port 1(c1) entered disabled state
[  462.148346] c1 (unregistering): left allmulticast mode
[  462.148416] c1 (unregistering): left promiscuous mode
[  462.148478] br0: port 1(c1) entered disabled state
[  462.188135] br0: port 2(c2) entered disabled state
[  462.188501] c2 (unregistering): left allmulticast mode
[  462.188561] c2 (unregistering): left promiscuous mode
[  462.188598] br0: port 2(c2) entered disabled state
[  462.227171] br0: port 3(c3) entered disabled state
[  462.227497] c3 (unregistering): left allmulticast mode
[  462.227564] c3 (unregistering): left promiscuous mode
[  462.227607] br0: port 3(c3) entered disabled state
[  462.265090] br0: port 4(sender) entered disabled state
[  462.265383] sender (unregistering): left allmulticast mode
[  462.265476] sender (unregistering): left promiscuous mode
[  462.265526] br0: port 4(sender) entered disabled state