[  501.835750] bond0: (slave eth0): making interface the new active one
[  501.835840] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.002953] bond0: (slave eth0): Releasing backup interface
[  506.092531] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.289361] bond0: (slave eth0): Releasing backup interface
[  510.315290] bond0 (unregistering): Released all slaves