[  518.955107] bond0: (slave eth0): making interface the new active one
[  518.955187] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.160463] bond0: (slave eth0): Releasing backup interface
[  523.243654] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.446158] bond0: (slave eth0): Releasing backup interface
[  527.487007] bond0 (unregistering): Released all slaves