[  518.696640] bond0: (slave eth0): making interface the new active one
[  518.696731] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.897781] bond0: (slave eth0): Releasing backup interface
[  522.981913] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.124160] bond0: (slave eth0): Releasing backup interface
[  527.160138] bond0 (unregistering): Released all slaves