[  519.930651] bond0: (slave eth0): making interface the new active one
[  519.930756] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.188722] bond0: (slave eth0): Releasing backup interface
[  524.288737] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.477217] bond0: (slave eth0): Releasing backup interface
[  528.510154] bond0 (unregistering): Released all slaves