[  506.110331] bond0: (slave eth0): making interface the new active one
[  506.110411] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.288674] bond0: (slave eth0): Releasing backup interface
[  510.353698] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.513483] bond0: (slave eth0): Releasing backup interface
[  514.538381] bond0 (unregistering): Released all slaves