[  518.982495] bond0: (slave eth0): making interface the new active one
[  518.982593] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.156666] bond0: (slave eth0): Releasing backup interface
[  523.220912] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.380499] bond0: (slave eth0): Releasing backup interface
[  527.407445] bond0 (unregistering): Released all slaves