[  830.164065][ T9551] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  830.252207][ T9552] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  830.333193][ T9553] br0: port 1(veth0) entered blocking state
[  830.333835][ T9553] br0: port 1(veth0) entered disabled state
[  830.334116][ T9553] veth0: entered allmulticast mode
[  830.335364][ T9553] veth0: entered promiscuous mode
[  830.424190][ T9554] br0: port 2(veth1) entered blocking state
[  830.424517][ T9554] br0: port 2(veth1) entered disabled state
[  830.424788][ T9554] veth1: entered allmulticast mode
[  830.426011][ T9554] veth1: entered promiscuous mode
[  830.918989][   T37] br0: port 1(veth0) entered blocking state
[  830.919248][   T37] br0: port 1(veth0) entered forwarding state
[  830.920214][   T37] br0: port 2(veth1) entered blocking state
[  830.920436][   T37] br0: port 2(veth1) entered forwarding state
[  832.127034][   T11] bond0: (slave veth1): link status definitely up
[  832.127632][   T11] bond0: (slave veth1): making interface the new active one
[  832.129220][   T11] bond0: active interface up!
[  832.421648][ T8545] veth1: left allmulticast mode
[  832.421872][ T8545] veth1: left promiscuous mode
[  832.422179][ T8545] br0: port 2(veth1) entered disabled state
[  832.424795][ T8545] veth0: left allmulticast mode
[  832.424999][ T8545] veth0: left promiscuous mode
[  832.425301][ T8545] br0: port 1(veth0) entered disabled state
[  832.581964][ T8545] bond0: (slave veth1): Releasing backup interface
[  832.797055][ T8545] bond0: (slave veth0): Releasing backup interface
[  833.236619][ T8545] bond0 (unregistering): Released all slaves