[  514.066498] bond0: (slave eth0): making interface the new active one
[  514.066570] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.272321] bond0: (slave eth0): Releasing backup interface
[  518.399324] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.618483] bond0: (slave eth0): Releasing backup interface
[  522.648363] bond0 (unregistering): Released all slaves