[  516.636324] bond0: (slave eth0): making interface the new active one
[  516.636408] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.785102] bond0: (slave eth0): Releasing backup interface
[  520.850104] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.019285] bond0: (slave eth0): Releasing backup interface
[  525.060199] bond0 (unregistering): Released all slaves