[  522.371562] bond0: (slave eth0): making interface the new active one
[  522.371627] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.564145] bond0: (slave eth0): Releasing backup interface
[  526.682340] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.913132] bond0: (slave eth0): Releasing backup interface
[  530.944111] bond0 (unregistering): Released all slaves