[  501.047363] bond0: (slave eth0): making interface the new active one
[  501.047447] bond0: (slave eth0): Enslaving as an active interface with an up link
[  505.239499] bond0: (slave eth0): Releasing backup interface
[  505.323778] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.465524] bond0: (slave eth0): Releasing backup interface
[  509.500461] bond0 (unregistering): Released all slaves