[  505.971831] bond0: (slave eth0): making interface the new active one
[  505.971929] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.231720] bond0: (slave eth0): Releasing backup interface
[  510.341246] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.518804] bond0: (slave eth0): Releasing backup interface
[  514.550748] bond0 (unregistering): Released all slaves