[  503.632575] bond0: (slave eth0): making interface the new active one
[  503.632684] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.797310] bond0: (slave eth0): Releasing backup interface
[  507.881563] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.092642] bond0: (slave eth0): Releasing backup interface
[  512.120414] bond0 (unregistering): Released all slaves