[  503.265173] bond0: (slave eth0): making interface the new active one
[  503.265278] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.477101] bond0: (slave eth0): Releasing backup interface
[  507.556575] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.702851] bond0: (slave eth0): Releasing backup interface
[  511.724438] bond0 (unregistering): Released all slaves