[  518.850267] bond0: (slave eth0): making interface the new active one
[  518.850359] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.102289] bond0: (slave eth0): Releasing backup interface
[  523.230545] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.453760] bond0: (slave eth0): Releasing backup interface
[  527.482693] bond0 (unregistering): Released all slaves