[  506.228517] bond0: (slave eth0): making interface the new active one
[  506.228587] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.439751] bond0: (slave eth0): Releasing backup interface
[  510.522381] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.723234] bond0: (slave eth0): Releasing backup interface
[  514.748215] bond0 (unregistering): Released all slaves