[  513.716195] bond0: (slave eth0): making interface the new active one
[  513.716277] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.909819] bond0: (slave eth0): Releasing backup interface
[  518.015789] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.200976] bond0: (slave eth0): Releasing backup interface
[  522.225957] bond0 (unregistering): Released all slaves