[  501.882038] bond0: (slave eth0): making interface the new active one
[  501.882189] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.065170] bond0: (slave eth0): Releasing backup interface
[  506.131922] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.293496] bond0: (slave eth0): Releasing backup interface
[  510.323404] bond0 (unregistering): Released all slaves