[  522.057175] bond0: (slave eth0): making interface the new active one
[  522.057242] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.225066] bond0: (slave eth0): Releasing backup interface
[  526.310072] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.511729] bond0: (slave eth0): Releasing backup interface
[  530.542702] bond0 (unregistering): Released all slaves