[  502.833687] bond0: (slave eth0): making interface the new active one
[  502.833788] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.029938] bond0: (slave eth0): Releasing backup interface
[  507.113252] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.254391] bond0: (slave eth0): Releasing backup interface
[  511.285323] bond0 (unregistering): Released all slaves