[  517.406444] bond0: (slave eth0): making interface the new active one
[  517.406517] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.626108] bond0: (slave eth0): Releasing backup interface
[  521.734497] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.908020] bond0: (slave eth0): Releasing backup interface
[  525.931916] bond0 (unregistering): Released all slaves