[  521.278076] bond0: (slave eth0): making interface the new active one
[  521.278190] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.470142] bond0: (slave eth0): Releasing backup interface
[  525.549803] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.696022] bond0: (slave eth0): Releasing backup interface
[  529.726062] bond0 (unregistering): Released all slaves