[  518.647511] bond0: (slave eth0): making interface the new active one
[  518.647583] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.827822] bond0: (slave eth0): Releasing backup interface
[  522.898112] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.054540] bond0: (slave eth0): Releasing backup interface
[  527.095580] bond0 (unregistering): Released all slaves