[  506.032016] bond0: (slave eth0): making interface the new active one
[  506.032130] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.231788] bond0: (slave eth0): Releasing backup interface
[  510.312138] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.453271] bond0: (slave eth0): Releasing backup interface
[  514.495243] bond0 (unregistering): Released all slaves