[  515.745369] bond0: (slave eth0): making interface the new active one
[  515.745481] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.966956] bond0: (slave eth0): Releasing backup interface
[  520.076874] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.258552] bond0: (slave eth0): Releasing backup interface
[  524.297528] bond0 (unregistering): Released all slaves