[  502.301864] bond0: (slave eth0): making interface the new active one
[  502.301945] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.459726] bond0: (slave eth0): Releasing backup interface
[  506.533464] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.683376] bond0: (slave eth0): Releasing backup interface
[  510.717316] bond0 (unregistering): Released all slaves