[  518.588573] bond0: (slave eth0): making interface the new active one
[  518.588661] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.804833] bond0: (slave eth0): Releasing backup interface
[  522.920081] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.085859] bond0: (slave eth0): Releasing backup interface
[  527.115855] bond0 (unregistering): Released all slaves