[  518.698556] bond0: (slave eth0): making interface the new active one
[  518.698649] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.898956] bond0: (slave eth0): Releasing backup interface
[  522.972966] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.141713] bond0: (slave eth0): Releasing backup interface
[  527.172594] bond0 (unregistering): Released all slaves