[  520.682991] bond0: (slave eth0): making interface the new active one
[  520.683108] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.878368] bond0: (slave eth0): Releasing backup interface
[  524.945832] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.102814] bond0: (slave eth0): Releasing backup interface
[  529.137813] bond0 (unregistering): Released all slaves