[  522.071685] bond0: (slave eth0): making interface the new active one
[  522.071773] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.250537] bond0: (slave eth0): Releasing backup interface
[  526.338535] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.480029] bond0: (slave eth0): Releasing backup interface
[  530.508748] bond0 (unregistering): Released all slaves