[  517.672674] bond0: (slave eth0): making interface the new active one
[  517.672758] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.866635] bond0: (slave eth0): Releasing backup interface
[  521.943620] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.093178] bond0: (slave eth0): Releasing backup interface
[  526.126202] bond0 (unregistering): Released all slaves