[  538.470903] bond0: (slave eth0): making interface the new active one
[  538.470990] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.680149] bond0: (slave eth0): Releasing backup interface
[  542.758804] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.965695] bond0: (slave eth0): Releasing backup interface
[  547.004628] bond0 (unregistering): Released all slaves