[  518.277518] bond0: (slave eth0): making interface the new active one
[  518.277800] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.515530] bond0: (slave eth0): Releasing backup interface
[  522.604961] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.798216] bond0: (slave eth0): Releasing backup interface
[  526.828042] bond0 (unregistering): Released all slaves