[  521.213863] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.228620] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.243285] br0: port 1(veth0) entered blocking state
[  521.243354] br0: port 1(veth0) entered disabled state
[  521.243408] veth0: entered allmulticast mode
[  521.243483] veth0: entered promiscuous mode
[  521.257999] br0: port 2(veth1) entered blocking state
[  521.258057] br0: port 2(veth1) entered disabled state
[  521.258095] veth1: entered allmulticast mode
[  521.258160] veth1: entered promiscuous mode
[  522.234789] br0: port 1(veth0) entered blocking state
[  522.234878] br0: port 1(veth0) entered forwarding state
[  522.234946] br0: port 2(veth1) entered blocking state
[  522.235018] br0: port 2(veth1) entered forwarding state
[  524.282726] bond0: (slave veth0): link status definitely up
[  524.282814] bond0: (slave veth1): link status definitely up
[  524.282868] bond0: (slave veth0): making interface the new active one
[  524.282944] bond0: active interface up!
[  524.406196] veth1: left allmulticast mode
[  524.406239] veth1: left promiscuous mode
[  524.406280] br0: port 2(veth1) entered disabled state
[  524.406369] veth0: left allmulticast mode
[  524.406396] veth0: left promiscuous mode
[  524.406439] br0: port 1(veth0) entered disabled state
[  524.423224] bond0: (slave veth1): Releasing backup interface
[  524.430903] bond0: (slave veth0): Releasing backup interface
[  524.465922] bond0 (unregistering): Released all slaves