[  517.088454] bond0: (slave eth0): making interface the new active one
[  517.088539] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.305014] bond0: (slave eth0): Releasing backup interface
[  521.430713] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.652880] bond0: (slave eth0): Releasing backup interface
[  525.687823] bond0 (unregistering): Released all slaves