[  519.866753] bond0: (slave eth0): making interface the new active one
[  519.866851] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.044210] bond0: (slave eth0): Releasing backup interface
[  524.113589] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.273222] bond0: (slave eth0): Releasing backup interface
[  528.308248] bond0 (unregistering): Released all slaves