[  506.831661] bond0: (slave eth0): making interface the new active one
[  506.831753] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.996441] bond0: (slave eth0): Releasing backup interface
[  511.067277] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.219455] bond0: (slave eth0): Releasing backup interface
[  515.250597] bond0 (unregistering): Released all slaves