[  517.181176] bond0: (slave eth0): making interface the new active one
[  517.181252] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.357976] bond0: (slave eth0): Releasing backup interface
[  521.444901] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.590315] bond0: (slave eth0): Releasing backup interface
[  525.617792] bond0 (unregistering): Released all slaves