[  833.464972][ T9438] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  833.563881][ T9439] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  833.650525][ T9440] br0: port 1(veth0) entered blocking state
[  833.650808][ T9440] br0: port 1(veth0) entered disabled state
[  833.651063][ T9440] veth0: entered allmulticast mode
[  833.652272][ T9440] veth0: entered promiscuous mode
[  833.766727][ T9441] br0: port 2(veth1) entered blocking state
[  833.767008][ T9441] br0: port 2(veth1) entered disabled state
[  833.767259][ T9441] veth1: entered allmulticast mode
[  833.768713][ T9441] veth1: entered promiscuous mode
[  834.166039][   T37] br0: port 1(veth0) entered blocking state
[  834.166292][   T37] br0: port 1(veth0) entered forwarding state
[  834.167275][   T37] br0: port 2(veth1) entered blocking state
[  834.167511][   T37] br0: port 2(veth1) entered forwarding state
[  835.382783][ T8535] bond0: (slave veth1): link status definitely up
[  835.383191][ T8535] bond0: (slave veth1): making interface the new active one
[  835.384521][ T8535] bond0: active interface up!
[  835.607156][  T257] veth1: left allmulticast mode
[  835.607566][  T257] veth1: left promiscuous mode
[  835.608044][  T257] br0: port 2(veth1) entered disabled state
[  835.611240][  T257] veth0: left allmulticast mode
[  835.612250][  T257] veth0: left promiscuous mode
[  835.612721][  T257] br0: port 1(veth0) entered disabled state
[  835.774366][  T257] bond0: (slave veth1): Releasing backup interface
[  835.959937][  T257] bond0: (slave veth0): Releasing backup interface
[  836.331722][  T257] bond0 (unregistering): Released all slaves