[  517.316845] bond0: (slave eth0): making interface the new active one
[  517.316917] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.482843] bond0: (slave eth0): Releasing backup interface
[  521.547495] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.712260] bond0: (slave eth0): Releasing backup interface
[  525.743748] bond0 (unregistering): Released all slaves