[  542.828551] bond0: (slave eth0): making interface the new active one
[  542.828635] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.028753] bond0: (slave eth0): Releasing backup interface
[  547.128769] bond0: (slave eth0): Enslaving as an active interface with an up link
[  551.314703] bond0: (slave eth0): Releasing backup interface
[  551.348668] bond0 (unregistering): Released all slaves