[  519.934712] bond0: (slave eth0): making interface the new active one
[  519.934796] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.107539] bond0: (slave eth0): Releasing backup interface
[  524.176744] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.332699] bond0: (slave eth0): Releasing backup interface
[  528.361452] bond0 (unregistering): Released all slaves