[  516.677900] bond0: (slave eth0): making interface the new active one
[  516.677972] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.925573] bond0: (slave eth0): Releasing backup interface
[  521.024275] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.204172] bond0: (slave eth0): Releasing backup interface
[  525.232048] bond0 (unregistering): Released all slaves