[  505.915471] bond0: (slave eth0): making interface the new active one
[  505.915613] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.097888] bond0: (slave eth0): Releasing backup interface
[  510.169697] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.323351] bond0: (slave eth0): Releasing backup interface
[  514.362410] bond0 (unregistering): Released all slaves