[  855.645908][ T9510] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  855.739418][ T9511] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  855.815588][ T9512] br0: port 1(veth0) entered blocking state
[  855.815864][ T9512] br0: port 1(veth0) entered disabled state
[  855.816131][ T9512] veth0: entered allmulticast mode
[  855.817288][ T9512] veth0: entered promiscuous mode
[  855.909334][ T9513] br0: port 2(veth1) entered blocking state
[  855.909691][ T9513] br0: port 2(veth1) entered disabled state
[  855.910002][ T9513] veth1: entered allmulticast mode
[  855.911886][ T9513] veth1: entered promiscuous mode
[  856.352657][ T4359] br0: port 1(veth0) entered blocking state
[  856.352937][ T4359] br0: port 1(veth0) entered forwarding state
[  856.353858][ T4359] br0: port 2(veth1) entered blocking state
[  856.354059][ T4359] br0: port 2(veth1) entered forwarding state
[  857.601784][ T5040] bond0: (slave veth1): link status definitely up
[  857.602262][ T5040] bond0: (slave veth1): making interface the new active one
[  857.603765][ T5040] bond0: active interface up!
[  857.984432][ T5040] veth1: left allmulticast mode
[  857.984729][ T5040] veth1: left promiscuous mode
[  857.985258][ T5040] br0: port 2(veth1) entered disabled state
[  857.988548][ T5040] veth0: left allmulticast mode
[  857.988793][ T5040] veth0: left promiscuous mode
[  857.989086][ T5040] br0: port 1(veth0) entered disabled state
[  858.156301][ T5040] bond0: (slave veth1): Releasing backup interface
[  858.352665][ T5040] bond0: (slave veth0): Releasing backup interface
[  858.718359][ T5040] bond0 (unregistering): Released all slaves