[  506.394133] bond0: (slave eth0): making interface the new active one
[  506.394212] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.548401] bond0: (slave eth0): Releasing backup interface
[  510.612557] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.777385] bond0: (slave eth0): Releasing backup interface
[  514.804311] bond0 (unregistering): Released all slaves