[  506.171860] bond0: (slave eth0): making interface the new active one
[  506.171961] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.354628] bond0: (slave eth0): Releasing backup interface
[  510.436529] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.586065] bond0: (slave eth0): Releasing backup interface
[  514.617407] bond0 (unregistering): Released all slaves