[  518.307710] bond0: (slave eth0): making interface the new active one
[  518.307799] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.510827] bond0: (slave eth0): Releasing backup interface
[  522.582797] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.741844] bond0: (slave eth0): Releasing backup interface
[  526.772833] bond0 (unregistering): Released all slaves