[  516.848310] bond0: (slave eth0): making interface the new active one
[  516.848396] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.046065] bond0: (slave eth0): Releasing backup interface
[  521.126837] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.270287] bond0: (slave eth0): Releasing backup interface
[  525.305456] bond0 (unregistering): Released all slaves