[  519.965731] bond0: (slave eth0): making interface the new active one
[  519.965814] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.183812] bond0: (slave eth0): Releasing backup interface
[  524.296872] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.476102] bond0: (slave eth0): Releasing backup interface
[  528.504026] bond0 (unregistering): Released all slaves