[  513.910169] bond0: (slave eth0): making interface the new active one
[  513.910277] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.102628] bond0: (slave eth0): Releasing backup interface
[  518.173402] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.324600] bond0: (slave eth0): Releasing backup interface
[  522.349453] bond0 (unregistering): Released all slaves