[  856.189151][ T9842] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  856.327998][ T9843] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  856.418785][ T9844] br0: port 1(veth0) entered blocking state
[  856.419087][ T9844] br0: port 1(veth0) entered disabled state
[  856.419358][ T9844] veth0: entered allmulticast mode
[  856.420595][ T9844] veth0: entered promiscuous mode
[  856.515421][ T9845] br0: port 2(veth1) entered blocking state
[  856.515702][ T9845] br0: port 2(veth1) entered disabled state
[  856.515956][ T9845] veth1: entered allmulticast mode
[  856.517226][ T9845] veth1: entered promiscuous mode
[  856.887618][   T37] br0: port 1(veth0) entered blocking state
[  856.888043][   T37] br0: port 1(veth0) entered forwarding state
[  856.889770][   T37] br0: port 2(veth1) entered blocking state
[  856.890077][   T37] br0: port 2(veth1) entered forwarding state
[  858.187663][ T5666] bond0: (slave veth1): link status definitely up
[  858.188286][ T5666] bond0: (slave veth1): making interface the new active one
[  858.190352][ T5666] bond0: active interface up!
[  858.442396][   T69] veth1: left allmulticast mode
[  858.442615][   T69] veth1: left promiscuous mode
[  858.442960][   T69] br0: port 2(veth1) entered disabled state
[  858.445736][   T69] veth0: left allmulticast mode
[  858.445915][   T69] veth0: left promiscuous mode
[  858.446197][   T69] br0: port 1(veth0) entered disabled state
[  858.615449][   T69] bond0: (slave veth1): Releasing backup interface
[  858.767800][   T69] bond0: (slave veth0): Releasing backup interface
[  858.966671][   T69] bond0 (unregistering): Released all slaves