[  516.953447] bond0: (slave eth0): making interface the new active one
[  516.953552] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.179898] bond0: (slave eth0): Releasing backup interface
[  521.307128] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.541040] bond0: (slave eth0): Releasing backup interface
[  525.576084] bond0 (unregistering): Released all slaves