[  522.012098] bond0: (slave eth0): making interface the new active one
[  522.012171] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.216706] bond0: (slave eth0): Releasing backup interface
[  526.286600] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.437015] bond0: (slave eth0): Releasing backup interface
[  530.463968] bond0 (unregistering): Released all slaves