[  520.883742] bond0: (slave eth0): making interface the new active one
[  520.883827] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.117329] bond0: (slave eth0): Releasing backup interface
[  525.205985] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.411446] bond0: (slave eth0): Releasing backup interface
[  529.444105] bond0 (unregistering): Released all slaves