[  521.087353] bond0: (slave eth0): making interface the new active one
[  521.087453] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.277442] bond0: (slave eth0): Releasing backup interface
[  525.382888] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.558992] bond0: (slave eth0): Releasing backup interface
[  529.598969] bond0 (unregistering): Released all slaves