[  519.847779] bond0: (slave eth0): making interface the new active one
[  519.847869] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.042363] bond0: (slave eth0): Releasing backup interface
[  524.121349] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.270016] bond0: (slave eth0): Releasing backup interface
[  528.303985] bond0 (unregistering): Released all slaves