[  513.965750] bond0: (slave eth0): making interface the new active one
[  513.965816] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.161069] bond0: (slave eth0): Releasing backup interface
[  518.249758] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.463020] bond0: (slave eth0): Releasing backup interface
[  522.493034] bond0 (unregistering): Released all slaves