[  516.720643] bond0: (slave eth0): making interface the new active one
[  516.720748] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.916848] bond0: (slave eth0): Releasing backup interface
[  521.018664] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.208727] bond0: (slave eth0): Releasing backup interface
[  525.243705] bond0 (unregistering): Released all slaves