[  516.776303] bond0: (slave eth0): making interface the new active one
[  516.776432] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.980251] bond0: (slave eth0): Releasing backup interface
[  521.063098] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.210266] bond0: (slave eth0): Releasing backup interface
[  525.234356] bond0 (unregistering): Released all slaves