[  522.723405] bond0: (slave eth0): making interface the new active one
[  522.723497] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.935607] bond0: (slave eth0): Releasing backup interface
[  527.033742] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.218171] bond0: (slave eth0): Releasing backup interface
[  531.246960] bond0 (unregistering): Released all slaves