[  503.389306] bond0: (slave eth0): making interface the new active one
[  503.389408] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.540606] bond0: (slave eth0): Releasing backup interface
[  507.621758] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.762416] bond0: (slave eth0): Releasing backup interface
[  511.784379] bond0 (unregistering): Released all slaves