[  515.989887] bond0: (slave eth0): making interface the new active one
[  515.990025] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.151112] bond0: (slave eth0): Releasing backup interface
[  520.235938] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.381227] bond0: (slave eth0): Releasing backup interface
[  524.415201] bond0 (unregistering): Released all slaves