[  519.921331] bond0: (slave eth0): making interface the new active one
[  519.921418] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.114881] bond0: (slave eth0): Releasing backup interface
[  524.201679] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.404722] bond0: (slave eth0): Releasing backup interface
[  528.439705] bond0 (unregistering): Released all slaves