[  513.811487] bond0: (slave eth0): making interface the new active one
[  513.811589] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.040293] bond0: (slave eth0): Releasing backup interface
[  518.143052] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.337300] bond0: (slave eth0): Releasing backup interface
[  522.377848] bond0 (unregistering): Released all slaves