[  516.676784] bond0: (slave eth0): making interface the new active one
[  516.676876] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.922856] bond0: (slave eth0): Releasing backup interface
[  521.023191] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.209045] bond0: (slave eth0): Releasing backup interface
[  525.235885] bond0 (unregistering): Released all slaves