[  514.737514] bond0: (slave eth0): making interface the new active one
[  514.737609] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.938986] bond0: (slave eth0): Releasing backup interface
[  519.048797] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.224074] bond0: (slave eth0): Releasing backup interface
[  523.247990] bond0 (unregistering): Released all slaves