[  509.781566] bond0: (slave eth0): making interface the new active one
[  509.781674] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.006562] bond0: (slave eth0): Releasing backup interface
[  514.117408] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.294929] bond0: (slave eth0): Releasing backup interface
[  518.322092] bond0 (unregistering): Released all slaves