[  516.995991] bond0: (slave eth0): making interface the new active one
[  516.996054] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.201677] bond0: (slave eth0): Releasing backup interface
[  521.290519] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.488985] bond0: (slave eth0): Releasing backup interface
[  525.528978] bond0 (unregistering): Released all slaves