[  505.816446] bond0: (slave eth0): making interface the new active one
[  505.816530] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.032588] bond0: (slave eth0): Releasing backup interface
[  510.119887] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.319811] bond0: (slave eth0): Releasing backup interface
[  514.342796] bond0 (unregistering): Released all slaves