[  521.712627] bond0: (slave eth0): making interface the new active one
[  521.712714] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.899574] bond0: (slave eth0): Releasing backup interface
[  525.979128] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.134981] bond0: (slave eth0): Releasing backup interface
[  530.163046] bond0 (unregistering): Released all slaves