[  836.355653][ T9300] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  836.458466][ T9301] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.557606][ T9302] br0: port 1(veth0) entered blocking state
[  836.557923][ T9302] br0: port 1(veth0) entered disabled state
[  836.558196][ T9302] veth0: entered allmulticast mode
[  836.559451][ T9302] veth0: entered promiscuous mode
[  836.658035][ T9303] br0: port 2(veth1) entered blocking state
[  836.658487][ T9303] br0: port 2(veth1) entered disabled state
[  836.658882][ T9303] veth1: entered allmulticast mode
[  836.660884][ T9303] veth1: entered promiscuous mode
[  837.071714][   T37] br0: port 1(veth0) entered blocking state
[  837.071975][   T37] br0: port 1(veth0) entered forwarding state
[  837.073489][   T37] br0: port 2(veth1) entered blocking state
[  837.073718][   T37] br0: port 2(veth1) entered forwarding state
[  838.334052][   T69] bond0: (slave veth1): link status definitely up
[  838.334719][   T69] bond0: (slave veth1): making interface the new active one
[  838.336534][   T69] bond0: active interface up!
[  838.863166][   T69] veth1: left allmulticast mode
[  838.863477][   T69] veth1: left promiscuous mode
[  838.863841][   T69] br0: port 2(veth1) entered disabled state
[  838.866284][   T69] veth0: left allmulticast mode
[  838.866560][   T69] veth0: left promiscuous mode
[  838.866860][   T69] br0: port 1(veth0) entered disabled state
[  839.009147][   T69] bond0: (slave veth1): Releasing backup interface
[  839.116043][   T69] bond0: (slave veth0): Releasing backup interface
[  839.497933][   T69] bond0 (unregistering): Released all slaves