[  506.216297] bond0: (slave eth0): making interface the new active one
[  506.216372] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.423523] bond0: (slave eth0): Releasing backup interface
[  510.542116] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.715016] bond0: (slave eth0): Releasing backup interface
[  514.740988] bond0 (unregistering): Released all slaves