[  502.217275] bond0: (slave eth0): making interface the new active one
[  502.217362] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.385057] bond0: (slave eth0): Releasing backup interface
[  506.460205] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.609366] bond0: (slave eth0): Releasing backup interface
[  510.647313] bond0 (unregistering): Released all slaves