[  514.675731] bond0: (slave eth0): making interface the new active one
[  514.675825] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.855766] bond0: (slave eth0): Releasing backup interface
[  518.916370] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.084457] bond0: (slave eth0): Releasing backup interface
[  523.114446] bond0 (unregistering): Released all slaves