[  516.801797] bond0: (slave eth0): making interface the new active one
[  516.801912] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.049837] bond0: (slave eth0): Releasing backup interface
[  521.137628] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.336249] bond0: (slave eth0): Releasing backup interface
[  525.365166] bond0 (unregistering): Released all slaves