[  515.910729] bond0: (slave eth0): making interface the new active one
[  515.910819] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.151322] bond0: (slave eth0): Releasing backup interface
[  520.244066] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.441330] bond0: (slave eth0): Releasing backup interface
[  524.462912] bond0 (unregistering): Released all slaves