[  518.684583] bond0: (slave eth0): making interface the new active one
[  518.684681] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.823544] bond0: (slave eth0): Releasing backup interface
[  522.894062] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.050978] bond0: (slave eth0): Releasing backup interface
[  527.085056] bond0 (unregistering): Released all slaves