[  520.957885] bond0: (slave eth0): making interface the new active one
[  520.957975] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.211168] bond0: (slave eth0): Releasing backup interface
[  525.319773] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.493134] bond0: (slave eth0): Releasing backup interface
[  529.521105] bond0 (unregistering): Released all slaves