[  515.993920] bond0: (slave eth0): making interface the new active one
[  515.993985] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.138941] bond0: (slave eth0): Releasing backup interface
[  520.197667] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.365362] bond0: (slave eth0): Releasing backup interface
[  524.399326] bond0 (unregistering): Released all slaves