[  521.811461] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.824589] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.837866] br0: port 1(veth0) entered blocking state
[  521.837921] br0: port 1(veth0) entered disabled state
[  521.837964] veth0: entered allmulticast mode
[  521.838038] veth0: entered promiscuous mode
[  521.852004] br0: port 2(veth1) entered blocking state
[  521.852052] br0: port 2(veth1) entered disabled state
[  521.852087] veth1: entered allmulticast mode
[  521.852145] veth1: entered promiscuous mode
[  522.120765] br0: port 1(veth0) entered blocking state
[  522.120851] br0: port 1(veth0) entered forwarding state
[  522.120914] br0: port 2(veth1) entered blocking state
[  522.120946] br0: port 2(veth1) entered forwarding state
[  523.865744] bond0: (slave veth1): link status definitely up
[  523.865799] bond0: (slave veth1): making interface the new active one
[  523.865860] bond0: active interface up!
[  524.018272] veth1: left allmulticast mode
[  524.018320] veth1: left promiscuous mode
[  524.018369] br0: port 2(veth1) entered disabled state
[  524.018592] veth0: left allmulticast mode
[  524.018638] veth0: left promiscuous mode
[  524.018687] br0: port 1(veth0) entered disabled state
[  524.040963] bond0: (slave veth1): Releasing backup interface
[  524.049926] bond0: (slave veth0): Releasing backup interface
[  524.071031] bond0 (unregistering): Released all slaves