[  505.026362] bond0: (slave eth0): making interface the new active one
[  505.026446] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.201763] bond0: (slave eth0): Releasing backup interface
[  509.266623] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.435912] bond0: (slave eth0): Releasing backup interface
[  513.472292] bond0 (unregistering): Released all slaves