[  506.379577] bond0: (slave eth0): making interface the new active one
[  506.379666] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.540015] bond0: (slave eth0): Releasing backup interface
[  510.627363] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.823729] bond0: (slave eth0): Releasing backup interface
[  514.860417] bond0 (unregistering): Released all slaves