[  516.496365] bond0: (slave eth0): making interface the new active one
[  516.496439] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.657277] bond0: (slave eth0): Releasing backup interface
[  520.734878] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.884365] bond0: (slave eth0): Releasing backup interface
[  524.911676] bond0 (unregistering): Released all slaves