[  505.495425] bond0: (slave eth0): making interface the new active one
[  505.495511] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.653374] bond0: (slave eth0): Releasing backup interface
[  509.737545] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.878548] bond0: (slave eth0): Releasing backup interface
[  513.927350] bond0 (unregistering): Released all slaves