[  518.191737] bond0: (slave eth0): making interface the new active one
[  518.191808] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.397787] bond0: (slave eth0): Releasing backup interface
[  522.526741] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.742016] bond0: (slave eth0): Releasing backup interface
[  526.765979] bond0 (unregistering): Released all slaves