[  502.807582] bond0: (slave eth0): making interface the new active one
[  502.807669] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.025713] bond0: (slave eth0): Releasing backup interface
[  507.108843] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.257323] bond0: (slave eth0): Releasing backup interface
[  511.293358] bond0 (unregistering): Released all slaves