[  519.885266] bond0: (slave eth0): making interface the new active one
[  519.885350] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.110309] bond0: (slave eth0): Releasing backup interface
[  524.200744] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.398781] bond0: (slave eth0): Releasing backup interface
[  528.426739] bond0 (unregistering): Released all slaves