[  837.759368][ T9349] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.844654][ T9350] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.935052][ T9351] br0: port 1(veth0) entered blocking state
[  837.935461][ T9351] br0: port 1(veth0) entered disabled state
[  837.935746][ T9351] veth0: entered allmulticast mode
[  837.937055][ T9351] veth0: entered promiscuous mode
[  838.019194][ T9352] br0: port 2(veth1) entered blocking state
[  838.019702][ T9352] br0: port 2(veth1) entered disabled state
[  838.019953][ T9352] veth1: entered allmulticast mode
[  838.021144][ T9352] veth1: entered promiscuous mode
[  838.467981][ T7396] br0: port 1(veth0) entered blocking state
[  838.468245][ T7396] br0: port 1(veth0) entered forwarding state
[  838.469664][ T7396] br0: port 2(veth1) entered blocking state
[  838.469882][ T7396] br0: port 2(veth1) entered forwarding state
[  839.691955][ T8355] bond0: (slave veth1): link status definitely up
[  839.692483][ T8355] bond0: (slave veth1): making interface the new active one
[  839.693653][ T8355] bond0: active interface up!
[  840.152502][ T8355] veth1: left allmulticast mode
[  840.152745][ T8355] veth1: left promiscuous mode
[  840.153109][ T8355] br0: port 2(veth1) entered disabled state
[  840.155526][ T8355] veth0: left allmulticast mode
[  840.155746][ T8355] veth0: left promiscuous mode
[  840.156057][ T8355] br0: port 1(veth0) entered disabled state
[  840.323857][ T8355] bond0: (slave veth1): Releasing backup interface
[  840.507240][ T8355] bond0: (slave veth0): Releasing backup interface
[  840.863458][ T8355] bond0 (unregistering): Released all slaves