[  518.430308] bond0: (slave eth0): making interface the new active one
[  518.430380] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.664689] bond0: (slave eth0): Releasing backup interface
[  522.782477] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.959097] bond0: (slave eth0): Releasing backup interface
[  526.991933] bond0 (unregistering): Released all slaves