[  514.895636] bond0: (slave eth0): making interface the new active one
[  514.895745] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.136157] bond0: (slave eth0): Releasing backup interface
[  519.232184] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.411047] bond0: (slave eth0): Releasing backup interface
[  523.438308] bond0 (unregistering): Released all slaves