[  520.935641] bond0: (slave eth0): making interface the new active one
[  520.935726] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.150936] bond0: (slave eth0): Releasing backup interface
[  525.273279] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.502958] bond0: (slave eth0): Releasing backup interface
[  529.545838] bond0 (unregistering): Released all slaves