[  507.159541] bond0: (slave eth0): making interface the new active one
[  507.159639] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.316203] bond0: (slave eth0): Releasing backup interface
[  511.391262] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.545457] bond0: (slave eth0): Releasing backup interface
[  515.574413] bond0 (unregistering): Released all slaves