[  974.796554][T31295] br0: port 1(c1) entered blocking state
[  974.796748][T31295] br0: port 1(c1) entered disabled state
[  974.796925][T31295] c1: entered allmulticast mode
[  974.798437][T31295] c1: entered promiscuous mode
[  974.948493][T31300] br0: port 2(c2) entered blocking state
[  974.948676][T31300] br0: port 2(c2) entered disabled state
[  974.948846][T31300] c2: entered allmulticast mode
[  974.950334][T31300] c2: entered promiscuous mode
[  975.084799][T31305] br0: port 3(c3) entered blocking state
[  975.084988][T31305] br0: port 3(c3) entered disabled state
[  975.085158][T31305] c3: entered allmulticast mode
[  975.086658][T31305] c3: entered promiscuous mode
[  975.232641][T31310] br0: port 4(sender) entered blocking state
[  975.232866][T31310] br0: port 4(sender) entered disabled state
[  975.233079][T31310] sender: entered allmulticast mode
[  975.234615][T31310] sender: entered promiscuous mode
[  975.283961][T31312] br0: port 4(sender) entered blocking state
[  975.284222][T31312] br0: port 4(sender) entered forwarding state
[  975.284604][T31312] br0: port 3(c3) entered blocking state
[  975.284795][T31312] br0: port 3(c3) entered forwarding state
[  975.285148][T31312] br0: port 2(c2) entered blocking state
[  975.285345][T31312] br0: port 2(c2) entered forwarding state
[  975.286123][T31312] br0: port 1(c1) entered blocking state
[  975.286325][T31312] br0: port 1(c1) entered forwarding state
[  986.365153][   T12] br0: port 1(c1) entered disabled state
[  986.384546][   T12] c1 (unregistering): left allmulticast mode
[  986.384837][   T12] c1 (unregistering): left promiscuous mode
[  986.385124][   T12] br0: port 1(c1) entered disabled state
[  986.507586][   T12] br0: port 2(c2) entered disabled state
[  986.520107][   T12] c2 (unregistering): left allmulticast mode
[  986.520412][   T12] c2 (unregistering): left promiscuous mode
[  986.520687][   T12] br0: port 2(c2) entered disabled state
[  986.658401][   T12] br0: port 3(c3) entered disabled state
[  986.669554][   T12] c3 (unregistering): left allmulticast mode
[  986.669765][   T12] c3 (unregistering): left promiscuous mode
[  986.669955][   T12] br0: port 3(c3) entered disabled state
[  986.792665][   T12] br0: port 4(sender) entered disabled state
[  986.803571][   T12] sender (unregistering): left allmulticast mode
[  986.803774][   T12] sender (unregistering): left promiscuous mode
[  986.803954][   T12] br0: port 4(sender) entered disabled state