[  507.043922] bond0: (slave eth0): making interface the new active one
[  507.044028] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.239724] bond0: (slave eth0): Releasing backup interface
[  511.312921] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.464305] bond0: (slave eth0): Releasing backup interface
[  515.488221] bond0 (unregistering): Released all slaves