[  506.832948] bond0: (slave eth0): making interface the new active one
[  506.833077] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.989946] bond0: (slave eth0): Releasing backup interface
[  511.059172] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.225255] bond0: (slave eth0): Releasing backup interface
[  515.263266] bond0 (unregistering): Released all slaves