[  518.927384] bond0: (slave eth0): making interface the new active one
[  518.927470] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.168272] bond0: (slave eth0): Releasing backup interface
[  523.296619] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.519982] bond0: (slave eth0): Releasing backup interface
[  527.546918] bond0 (unregistering): Released all slaves