[  518.975470] bond0: (slave eth0): making interface the new active one
[  518.975563] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.226709] bond0: (slave eth0): Releasing backup interface
[  523.349203] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.511064] bond0: (slave eth0): Releasing backup interface
[  527.547957] bond0 (unregistering): Released all slaves