[  517.159475] bond0: (slave eth0): making interface the new active one
[  517.159582] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.364903] bond0: (slave eth0): Releasing backup interface
[  521.444704] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.593340] bond0: (slave eth0): Releasing backup interface
[  525.619308] bond0 (unregistering): Released all slaves