[  525.602267] bond0: (slave eth0): making interface the new active one
[  525.602395] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.800464] bond0: (slave eth0): Releasing backup interface
[  529.864843] bond0: (slave eth0): Enslaving as an active interface with an up link
[  534.023891] bond0: (slave eth0): Releasing backup interface
[  534.048728] bond0 (unregistering): Released all slaves