[  520.881757] bond0: (slave eth0): making interface the new active one
[  520.881857] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.093037] bond0: (slave eth0): Releasing backup interface
[  525.225391] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.449111] bond0: (slave eth0): Releasing backup interface
[  529.493058] bond0 (unregistering): Released all slaves