[  502.919582] bond0: (slave eth0): making interface the new active one
[  502.919651] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.086194] bond0: (slave eth0): Releasing backup interface
[  507.160417] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.318845] bond0: (slave eth0): Releasing backup interface
[  511.339729] bond0 (unregistering): Released all slaves