[  518.880154] bond0: (slave eth0): making interface the new active one
[  518.880252] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.030918] bond0: (slave eth0): Releasing backup interface
[  523.108260] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.254195] bond0: (slave eth0): Releasing backup interface
[  527.283109] bond0 (unregistering): Released all slaves