[  498.503046] bond0: (slave eth0): making interface the new active one
[  498.503153] bond0: (slave eth0): Enslaving as an active interface with an up link
[  502.668015] bond0: (slave eth0): Releasing backup interface
[  502.748876] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.889505] bond0: (slave eth0): Releasing backup interface
[  506.916438] bond0 (unregistering): Released all slaves