[  517.780848] bond0: (slave eth0): making interface the new active one
[  517.780936] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.940518] bond0: (slave eth0): Releasing backup interface
[  522.019044] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.168509] bond0: (slave eth0): Releasing backup interface
[  526.199272] bond0 (unregistering): Released all slaves