[  513.623289] bond0: (slave eth0): making interface the new active one
[  513.623368] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.850261] bond0: (slave eth0): Releasing backup interface
[  517.969168] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.131132] bond0: (slave eth0): Releasing backup interface
[  522.165049] bond0 (unregistering): Released all slaves