[  519.890340] bond0: (slave eth0): making interface the new active one
[  519.890429] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.118836] bond0: (slave eth0): Releasing backup interface
[  524.211561] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.404161] bond0: (slave eth0): Releasing backup interface
[  528.435053] bond0 (unregistering): Released all slaves