[  517.969983] bond0: (slave eth0): making interface the new active one
[  517.970051] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.121039] bond0: (slave eth0): Releasing backup interface
[  522.185264] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.348687] bond0: (slave eth0): Releasing backup interface
[  526.373571] bond0 (unregistering): Released all slaves