[  516.999044] bond0: (slave eth0): making interface the new active one
[  516.999145] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.239522] bond0: (slave eth0): Releasing backup interface
[  521.344609] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.522759] bond0: (slave eth0): Releasing backup interface
[  525.554730] bond0 (unregistering): Released all slaves