[  516.201773] bond0: (slave eth0): making interface the new active one
[  516.201862] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.407949] bond0: (slave eth0): Releasing backup interface
[  520.516489] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.693166] bond0: (slave eth0): Releasing backup interface
[  524.727159] bond0 (unregistering): Released all slaves