[  502.705165] bond0: (slave eth0): making interface the new active one
[  502.705233] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.898896] bond0: (slave eth0): Releasing backup interface
[  506.976053] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.125708] bond0: (slave eth0): Releasing backup interface
[  511.163687] bond0 (unregistering): Released all slaves