[  521.023903] bond0: (slave eth0): making interface the new active one
[  521.024000] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.196394] bond0: (slave eth0): Releasing backup interface
[  525.270719] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.423035] bond0: (slave eth0): Releasing backup interface
[  529.448908] bond0 (unregistering): Released all slaves