[  498.501288] bond0: (slave eth0): making interface the new active one
[  498.501373] bond0: (slave eth0): Enslaving as an active interface with an up link
[  502.662531] bond0: (slave eth0): Releasing backup interface
[  502.725462] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.890377] bond0: (slave eth0): Releasing backup interface
[  506.926321] bond0 (unregistering): Released all slaves