[  515.935788] bond0: (slave eth0): making interface the new active one
[  515.935885] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.152217] bond0: (slave eth0): Releasing backup interface
[  520.267086] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.440150] bond0: (slave eth0): Releasing backup interface
[  524.464110] bond0 (unregistering): Released all slaves