[  510.263793] bond0: (slave eth0): making interface the new active one
[  510.263861] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.456959] bond0: (slave eth0): Releasing backup interface
[  514.561746] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.744978] bond0: (slave eth0): Releasing backup interface
[  518.785075] bond0 (unregistering): Released all slaves