[  518.813926] bond0: (slave eth0): making interface the new active one
[  518.814035] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.953057] bond0: (slave eth0): Releasing backup interface
[  523.019811] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.182623] bond0: (slave eth0): Releasing backup interface
[  527.218594] bond0 (unregistering): Released all slaves