[  502.937981] bond0: (slave eth0): making interface the new active one
[  502.938084] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.092285] bond0: (slave eth0): Releasing backup interface
[  507.166056] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.317250] bond0: (slave eth0): Releasing backup interface
[  511.342249] bond0 (unregistering): Released all slaves