[  515.935543] bond0: (slave eth0): making interface the new active one
[  515.935616] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.082434] bond0: (slave eth0): Releasing backup interface
[  520.160772] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.309195] bond0: (slave eth0): Releasing backup interface
[  524.347212] bond0 (unregistering): Released all slaves