[   38.848522][  T742] br0: port 1(c1) entered blocking state
[   38.848707][  T742] br0: port 1(c1) entered disabled state
[   38.848869][  T742] c1: entered allmulticast mode
[   38.850294][  T742] c1: entered promiscuous mode
[   38.986407][  T748] br0: port 2(c2) entered blocking state
[   38.986572][  T748] br0: port 2(c2) entered disabled state
[   38.986729][  T748] c2: entered allmulticast mode
[   38.988083][  T748] c2: entered promiscuous mode
[   39.121303][  T753] br0: port 3(c3) entered blocking state
[   39.121470][  T753] br0: port 3(c3) entered disabled state
[   39.121629][  T753] c3: entered allmulticast mode
[   39.123001][  T753] c3: entered promiscuous mode
[   39.267463][  T758] br0: port 4(sender) entered blocking state
[   39.267671][  T758] br0: port 4(sender) entered disabled state
[   39.267861][  T758] sender: entered allmulticast mode
[   39.269421][  T758] sender: entered promiscuous mode
[   39.308829][  T760] br0: port 4(sender) entered blocking state
[   39.309140][  T760] br0: port 4(sender) entered forwarding state
[   39.309627][  T760] br0: port 3(c3) entered blocking state
[   39.309776][  T760] br0: port 3(c3) entered forwarding state
[   39.310109][  T760] br0: port 2(c2) entered blocking state
[   39.310255][  T760] br0: port 2(c2) entered forwarding state
[   39.310542][  T760] br0: port 1(c1) entered blocking state
[   39.310759][  T760] br0: port 1(c1) entered forwarding state
[   50.454306][   T12] br0: port 1(c1) entered disabled state
[   50.463320][   T12] c1 (unregistering): left allmulticast mode
[   50.463515][   T12] c1 (unregistering): left promiscuous mode
[   50.463695][   T12] br0: port 1(c1) entered disabled state
[   50.574796][   T12] br0: port 2(c2) entered disabled state
[   50.586366][   T12] c2 (unregistering): left allmulticast mode
[   50.586555][   T12] c2 (unregistering): left promiscuous mode
[   50.586725][   T12] br0: port 2(c2) entered disabled state
[   50.705613][   T12] br0: port 3(c3) entered disabled state
[   50.712672][   T12] c3 (unregistering): left allmulticast mode
[   50.712856][   T12] c3 (unregistering): left promiscuous mode
[   50.713035][   T12] br0: port 3(c3) entered disabled state
[   50.835420][   T12] br0: port 4(sender) entered disabled state
[   50.843162][   T12] sender (unregistering): left allmulticast mode
[   50.843345][   T12] sender (unregistering): left promiscuous mode
[   50.843522][   T12] br0: port 4(sender) entered disabled state