[  507.925786] bond0: (slave eth0): making interface the new active one
[  507.925872] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.085631] bond0: (slave eth0): Releasing backup interface
[  512.170217] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.315374] bond0: (slave eth0): Releasing backup interface
[  516.354454] bond0 (unregistering): Released all slaves