[  519.822659] bond0: (slave eth0): making interface the new active one
[  519.822733] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.049700] bond0: (slave eth0): Releasing backup interface
[  524.133880] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.335120] bond0: (slave eth0): Releasing backup interface
[  528.363095] bond0 (unregistering): Released all slaves