[  498.456539] bond0: (slave eth0): making interface the new active one
[  498.456601] bond0: (slave eth0): Enslaving as an active interface with an up link
[  502.693169] bond0: (slave eth0): Releasing backup interface
[  502.777005] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.921696] bond0: (slave eth0): Releasing backup interface
[  506.950742] bond0 (unregistering): Released all slaves