[  516.800803] bond0: (slave eth0): making interface the new active one
[  516.800897] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.979017] bond0: (slave eth0): Releasing backup interface
[  521.058406] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.269983] bond0: (slave eth0): Releasing backup interface
[  525.303866] bond0 (unregistering): Released all slaves