[  506.565889] bond0: (slave eth0): making interface the new active one
[  506.565982] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.740642] bond0: (slave eth0): Releasing backup interface
[  510.835763] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.037296] bond0: (slave eth0): Releasing backup interface
[  515.071682] bond0 (unregistering): Released all slaves