[  538.181224] bond0: (slave eth0): making interface the new active one
[  538.181305] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.420883] bond0: (slave eth0): Releasing backup interface
[  542.513945] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.704728] bond0: (slave eth0): Releasing backup interface
[  546.728693] bond0 (unregistering): Released all slaves