[  516.655676] bond0: (slave eth0): making interface the new active one
[  516.655763] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.863792] bond0: (slave eth0): Releasing backup interface
[  520.972042] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.153562] bond0: (slave eth0): Releasing backup interface
[  525.178348] bond0 (unregistering): Released all slaves