[  516.129807] bond0: (slave eth0): making interface the new active one
[  516.129875] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.349580] bond0: (slave eth0): Releasing backup interface
[  520.460870] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.630977] bond0: (slave eth0): Releasing backup interface
[  524.661937] bond0 (unregistering): Released all slaves