[  522.038759] bond0: (slave eth0): making interface the new active one
[  522.038886] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.221783] bond0: (slave eth0): Releasing backup interface
[  526.297968] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.447069] bond0: (slave eth0): Releasing backup interface
[  530.484106] bond0 (unregistering): Released all slaves