[  516.882882] bond0: (slave eth0): making interface the new active one
[  516.883008] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.044657] bond0: (slave eth0): Releasing backup interface
[  521.126082] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.271395] bond0: (slave eth0): Releasing backup interface
[  525.307322] bond0 (unregistering): Released all slaves