[  837.154722][ T9334] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.241542][ T9335] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.330100][ T9336] br0: port 1(veth0) entered blocking state
[  837.330403][ T9336] br0: port 1(veth0) entered disabled state
[  837.331048][ T9336] veth0: entered allmulticast mode
[  837.332261][ T9336] veth0: entered promiscuous mode
[  837.450995][ T9337] br0: port 2(veth1) entered blocking state
[  837.451458][ T9337] br0: port 2(veth1) entered disabled state
[  837.451857][ T9337] veth1: entered allmulticast mode
[  837.453918][ T9337] veth1: entered promiscuous mode
[  837.864898][ T4579] br0: port 1(veth0) entered blocking state
[  837.865153][ T4579] br0: port 1(veth0) entered forwarding state
[  837.866118][ T4579] br0: port 2(veth1) entered blocking state
[  837.866322][ T4579] br0: port 2(veth1) entered forwarding state
[  839.113022][   T67] bond0: (slave veth1): link status definitely up
[  839.113456][   T67] bond0: (slave veth1): making interface the new active one
[  839.114877][   T67] bond0: active interface up!
[  839.320837][ T4220] veth1: left allmulticast mode
[  839.321147][ T4220] veth1: left promiscuous mode
[  839.321496][ T4220] br0: port 2(veth1) entered disabled state
[  839.323792][ T4220] veth0: left allmulticast mode
[  839.324019][ T4220] veth0: left promiscuous mode
[  839.324313][ T4220] br0: port 1(veth0) entered disabled state
[  839.484303][ T4220] bond0: (slave veth1): Releasing backup interface
[  839.645971][ T4220] bond0: (slave veth0): Releasing backup interface
[  839.831397][ T4220] bond0 (unregistering): Released all slaves