[  516.703857] bond0: (slave eth0): making interface the new active one
[  516.703938] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.917140] bond0: (slave eth0): Releasing backup interface
[  520.996228] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.138270] bond0: (slave eth0): Releasing backup interface
[  525.164257] bond0 (unregistering): Released all slaves