[  505.114931] bond0: (slave eth0): making interface the new active one
[  505.115026] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.266721] bond0: (slave eth0): Releasing backup interface
[  509.344385] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.500271] bond0: (slave eth0): Releasing backup interface
[  513.542295] bond0 (unregistering): Released all slaves