[  513.798447] bond0: (slave eth0): making interface the new active one
[  513.798574] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.039703] bond0: (slave eth0): Releasing backup interface
[  518.128462] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.329459] bond0: (slave eth0): Releasing backup interface
[  522.355477] bond0 (unregistering): Released all slaves