[  518.929559] bond0: (slave eth0): making interface the new active one
[  518.929658] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.167911] bond0: (slave eth0): Releasing backup interface
[  523.298424] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.514924] bond0: (slave eth0): Releasing backup interface
[  527.542916] bond0 (unregistering): Released all slaves