[  514.834409] bond0: (slave eth0): making interface the new active one
[  514.834481] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.067602] bond0: (slave eth0): Releasing backup interface
[  519.179766] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.354933] bond0: (slave eth0): Releasing backup interface
[  523.378837] bond0 (unregistering): Released all slaves