[  516.834941] bond0: (slave eth0): making interface the new active one
[  516.835027] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.035021] bond0: (slave eth0): Releasing backup interface
[  521.095795] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.264452] bond0: (slave eth0): Releasing backup interface
[  525.290402] bond0 (unregistering): Released all slaves