[  518.524602] bond0: (slave eth0): making interface the new active one
[  518.524700] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.780568] bond0: (slave eth0): Releasing backup interface
[  522.887820] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.062078] bond0: (slave eth0): Releasing backup interface
[  527.087937] bond0 (unregistering): Released all slaves