[  518.521069] bond0: (slave eth0): making interface the new active one
[  518.521155] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.698253] bond0: (slave eth0): Releasing backup interface
[  522.779223] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.922129] bond0: (slave eth0): Releasing backup interface
[  526.946100] bond0 (unregistering): Released all slaves