From: Matteo Croce <mcr...@redhat.com> Date: Sat, 1 Dec 2018 00:26:27 +0100
> A MAC address must be unique among all the macvlan devices with the same > lower device. The only exception is the passthru [sic] mode, > which shares the lower device address. > > When duplicate addresses are detected, EBUSY is returned when bringing > the interface up: > > # ip link add macvlan0 link eth0 type macvlan > # read addr </sys/class/net/eth0/address > # ip link set macvlan0 address $addr > # ip link set macvlan0 up > RTNETLINK answers: Device or resource busy > > Use correct error code which is EADDRINUSE, and do the check also > earlier, on address change: > > # ip link set macvlan0 address $addr > RTNETLINK answers: Address already in use > > Signed-off-by: Matteo Croce <mcr...@redhat.com> Applied, thanks Matteo.
