[  518.681444] bond0: (slave eth0): making interface the new active one
[  518.681511] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.890724] bond0: (slave eth0): Releasing backup interface
[  522.963243] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.121180] bond0: (slave eth0): Releasing backup interface
[  527.151044] bond0 (unregistering): Released all slaves