[  538.872515] bond0: (slave eth0): making interface the new active one
[  538.872605] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.127660] bond0: (slave eth0): Releasing backup interface
[  543.233668] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.408687] bond0: (slave eth0): Releasing backup interface
[  547.434607] bond0 (unregistering): Released all slaves