[  506.468107] bond0: (slave eth0): making interface the new active one
[  506.468195] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.663370] bond0: (slave eth0): Releasing backup interface
[  510.729197] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.895662] bond0: (slave eth0): Releasing backup interface
[  514.928327] bond0 (unregistering): Released all slaves