[  522.199383] bond0: (slave eth0): making interface the new active one
[  522.199485] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.349499] bond0: (slave eth0): Releasing backup interface
[  526.414336] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.576955] bond0: (slave eth0): Releasing backup interface
[  530.609911] bond0 (unregistering): Released all slaves