[  503.104360] bond0: (slave eth0): making interface the new active one
[  503.104476] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.354509] bond0: (slave eth0): Releasing backup interface
[  507.470360] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.641887] bond0: (slave eth0): Releasing backup interface
[  511.676813] bond0 (unregistering): Released all slaves