[  539.566214] bond0: (slave eth0): making interface the new active one
[  539.566308] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.762199] bond0: (slave eth0): Releasing backup interface
[  543.851196] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.049709] bond0: (slave eth0): Releasing backup interface
[  548.075671] bond0 (unregistering): Released all slaves