[  505.971889] bond0: (slave eth0): making interface the new active one
[  505.972024] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.164292] bond0: (slave eth0): Releasing backup interface
[  510.235882] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.393582] bond0: (slave eth0): Releasing backup interface
[  514.426560] bond0 (unregistering): Released all slaves