[  515.820419] bond0: (slave eth0): making interface the new active one
[  515.820481] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.031034] bond0: (slave eth0): Releasing backup interface
[  520.145521] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.316925] bond0: (slave eth0): Releasing backup interface
[  524.349960] bond0 (unregistering): Released all slaves