[  498.300099] bond0: (slave eth0): making interface the new active one
[  498.300208] bond0: (slave eth0): Enslaving as an active interface with an up link
[  502.473038] bond0: (slave eth0): Releasing backup interface
[  502.544220] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.702720] bond0: (slave eth0): Releasing backup interface
[  506.724311] bond0 (unregistering): Released all slaves