[  519.853889] bond0: (slave eth0): making interface the new active one
[  519.853974] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.042617] bond0: (slave eth0): Releasing backup interface
[  524.110983] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.274505] bond0: (slave eth0): Releasing backup interface
[  528.305151] bond0 (unregistering): Released all slaves