[  505.131082] bond0: (slave eth0): making interface the new active one
[  505.131151] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.331125] bond0: (slave eth0): Releasing backup interface
[  509.408990] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.561549] bond0: (slave eth0): Releasing backup interface
[  513.582457] bond0 (unregistering): Released all slaves