[   38.455482][  T742] br0: port 1(c1) entered blocking state
[   38.455705][  T742] br0: port 1(c1) entered disabled state
[   38.455911][  T742] c1: entered allmulticast mode
[   38.457442][  T742] c1: entered promiscuous mode
[   38.604408][  T747] br0: port 2(c2) entered blocking state
[   38.604626][  T747] br0: port 2(c2) entered disabled state
[   38.604833][  T747] c2: entered allmulticast mode
[   38.606335][  T747] c2: entered promiscuous mode
[   38.743630][  T752] br0: port 3(c3) entered blocking state
[   38.743832][  T752] br0: port 3(c3) entered disabled state
[   38.744041][  T752] c3: entered allmulticast mode
[   38.745530][  T752] c3: entered promiscuous mode
[   38.884721][  T757] br0: port 4(sender) entered blocking state
[   38.884920][  T757] br0: port 4(sender) entered disabled state
[   38.885104][  T757] sender: entered allmulticast mode
[   38.887136][  T757] sender: entered promiscuous mode
[   38.925756][  T759] br0: port 4(sender) entered blocking state
[   38.926111][  T759] br0: port 4(sender) entered forwarding state
[   38.926760][  T759] br0: port 3(c3) entered blocking state
[   38.926946][  T759] br0: port 3(c3) entered forwarding state
[   38.927290][  T759] br0: port 2(c2) entered blocking state
[   38.927485][  T759] br0: port 2(c2) entered forwarding state
[   38.927835][  T759] br0: port 1(c1) entered blocking state
[   38.928019][  T759] br0: port 1(c1) entered forwarding state
[   50.075149][   T73] br0: port 1(c1) entered disabled state
[   50.078261][   T73] c1 (unregistering): left allmulticast mode
[   50.078468][   T73] c1 (unregistering): left promiscuous mode
[   50.078652][   T73] br0: port 1(c1) entered disabled state
[   50.202510][   T73] br0: port 2(c2) entered disabled state
[   50.205020][   T73] c2 (unregistering): left allmulticast mode
[   50.205288][   T73] c2 (unregistering): left promiscuous mode
[   50.205543][   T73] br0: port 2(c2) entered disabled state
[   50.327930][   T73] br0: port 3(c3) entered disabled state
[   50.331198][   T73] c3 (unregistering): left allmulticast mode
[   50.331397][   T73] c3 (unregistering): left promiscuous mode
[   50.331580][   T73] br0: port 3(c3) entered disabled state
[   50.453767][   T73] br0: port 4(sender) entered disabled state
[   50.457374][   T73] sender (unregistering): left allmulticast mode
[   50.457645][   T73] sender (unregistering): left promiscuous mode
[   50.457901][   T73] br0: port 4(sender) entered disabled state