[  514.616027] bond0: (slave eth0): making interface the new active one
[  514.616102] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.872825] bond0: (slave eth0): Releasing backup interface
[  518.969636] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.160965] bond0: (slave eth0): Releasing backup interface
[  523.186031] bond0 (unregistering): Released all slaves