[  536.935131] bond0: (slave eth0): making interface the new active one
[  536.935239] bond0: (slave eth0): Enslaving as an active interface with an up link
[  541.075992] bond0: (slave eth0): Releasing backup interface
[  541.145237] bond0: (slave eth0): Enslaving as an active interface with an up link
[  545.300333] bond0: (slave eth0): Releasing backup interface
[  545.340239] bond0 (unregistering): Released all slaves