[  518.440948] bond0: (slave eth0): making interface the new active one
[  518.441050] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.666896] bond0: (slave eth0): Releasing backup interface
[  522.765604] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.950891] bond0: (slave eth0): Releasing backup interface
[  526.987841] bond0 (unregistering): Released all slaves