[  513.847326] bond0: (slave eth0): making interface the new active one
[  513.847417] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.114386] bond0: (slave eth0): Releasing backup interface
[  518.252189] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.453193] bond0: (slave eth0): Releasing backup interface
[  522.479069] bond0 (unregistering): Released all slaves