[  518.094404] bond0: (slave eth0): making interface the new active one
[  518.094481] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.321649] bond0: (slave eth0): Releasing backup interface
[  522.397658] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.546738] bond0: (slave eth0): Releasing backup interface
[  526.577714] bond0 (unregistering): Released all slaves