[  514.076605] bond0: (slave eth0): making interface the new active one
[  514.076716] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.366446] bond0: (slave eth0): Releasing backup interface
[  518.454257] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.643086] bond0: (slave eth0): Releasing backup interface
[  522.678065] bond0 (unregistering): Released all slaves