[  508.631124] bond0: (slave eth0): making interface the new active one
[  508.631194] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.855092] bond0: (slave eth0): Releasing backup interface
[  512.955025] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.147248] bond0: (slave eth0): Releasing backup interface
[  517.183951] bond0 (unregistering): Released all slaves