[  516.712313] bond0: (slave eth0): making interface the new active one
[  516.712388] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.923900] bond0: (slave eth0): Releasing backup interface
[  521.034724] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.204111] bond0: (slave eth0): Releasing backup interface
[  525.228040] bond0 (unregistering): Released all slaves