[  517.963993] bond0: (slave eth0): making interface the new active one
[  517.964080] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.207750] bond0: (slave eth0): Releasing backup interface
[  522.328176] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.561234] bond0: (slave eth0): Releasing backup interface
[  526.600136] bond0 (unregistering): Released all slaves