[  506.908576] bond0: (slave eth0): making interface the new active one
[  506.908659] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.063247] bond0: (slave eth0): Releasing backup interface
[  511.149139] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.287602] bond0: (slave eth0): Releasing backup interface
[  515.331255] bond0 (unregistering): Released all slaves