[  514.851031] bond0: (slave eth0): making interface the new active one
[  514.851096] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.063568] bond0: (slave eth0): Releasing backup interface
[  519.172587] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.354056] bond0: (slave eth0): Releasing backup interface
[  523.393977] bond0 (unregistering): Released all slaves