[  518.590905] bond0: (slave eth0): making interface the new active one
[  518.590982] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.775405] bond0: (slave eth0): Releasing backup interface
[  522.861378] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.059658] bond0: (slave eth0): Releasing backup interface
[  527.090475] bond0 (unregistering): Released all slaves