[  516.545325] bond0: (slave eth0): making interface the new active one
[  516.545421] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.790324] bond0: (slave eth0): Releasing backup interface
[  520.906433] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.082048] bond0: (slave eth0): Releasing backup interface
[  525.121979] bond0 (unregistering): Released all slaves