[  516.626282] bond0: (slave eth0): making interface the new active one
[  516.626362] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.780974] bond0: (slave eth0): Releasing backup interface
[  520.849967] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.011161] bond0: (slave eth0): Releasing backup interface
[  525.046663] bond0 (unregistering): Released all slaves