[  522.327324] bond0: (slave eth0): making interface the new active one
[  522.327423] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.540941] bond0: (slave eth0): Releasing backup interface
[  526.624040] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.768166] bond0: (slave eth0): Releasing backup interface
[  530.799150] bond0 (unregistering): Released all slaves