[  518.432254] bond0: (slave eth0): making interface the new active one
[  518.432347] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.647919] bond0: (slave eth0): Releasing backup interface
[  522.753652] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.940494] bond0: (slave eth0): Releasing backup interface
[  526.967954] bond0 (unregistering): Released all slaves