[  518.882905] bond0: (slave eth0): making interface the new active one
[  518.883004] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.080052] bond0: (slave eth0): Releasing backup interface
[  523.139484] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.306064] bond0: (slave eth0): Releasing backup interface
[  527.332020] bond0 (unregistering): Released all slaves