[  843.032226][ T9373] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  843.124668][ T9374] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  843.208157][ T9375] br0: port 1(veth0) entered blocking state
[  843.208435][ T9375] br0: port 1(veth0) entered disabled state
[  843.208694][ T9375] veth0: entered allmulticast mode
[  843.209940][ T9375] veth0: entered promiscuous mode
[  843.297973][ T9376] br0: port 2(veth1) entered blocking state
[  843.298255][ T9376] br0: port 2(veth1) entered disabled state
[  843.298503][ T9376] veth1: entered allmulticast mode
[  843.300715][ T9376] veth1: entered promiscuous mode
[  843.760526][ T8819] br0: port 1(veth0) entered blocking state
[  843.760777][ T8819] br0: port 1(veth0) entered forwarding state
[  843.761995][ T8819] br0: port 2(veth1) entered blocking state
[  843.762292][ T8819] br0: port 2(veth1) entered forwarding state
[  844.984447][   T11] bond0: (slave veth1): link status definitely up
[  844.984851][   T11] bond0: (slave veth1): making interface the new active one
[  844.985920][   T11] bond0: active interface up!
[  845.348893][   T11] veth1: left allmulticast mode
[  845.349148][   T11] veth1: left promiscuous mode
[  845.349446][   T11] br0: port 2(veth1) entered disabled state
[  845.351373][   T11] veth0: left allmulticast mode
[  845.351554][   T11] veth0: left promiscuous mode
[  845.351827][   T11] br0: port 1(veth0) entered disabled state
[  845.529705][   T11] bond0: (slave veth1): Releasing backup interface
[  845.658211][   T11] bond0: (slave veth0): Releasing backup interface
[  846.037271][   T11] bond0 (unregistering): Released all slaves