[  540.960866] bond0: (slave eth0): making interface the new active one
[  540.960951] bond0: (slave eth0): Enslaving as an active interface with an up link
[  545.169920] bond0: (slave eth0): Releasing backup interface
[  545.263847] bond0: (slave eth0): Enslaving as an active interface with an up link
[  549.456700] bond0: (slave eth0): Releasing backup interface
[  549.486673] bond0 (unregistering): Released all slaves