[  515.867897] bond0: (slave eth0): making interface the new active one
[  515.867979] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.087810] bond0: (slave eth0): Releasing backup interface
[  520.207559] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.380012] bond0: (slave eth0): Releasing backup interface
[  524.408933] bond0 (unregistering): Released all slaves