Interfaces listed by `ip link list` are prefixed with the index identifier. The pattern "^$BRNAME" does not match. - dependencies to ifconfig and ip removed - wait until interface flagged with IFF_UP Ref: https://github.com/torvalds/linux/blob/master/include/uapi/linux/if.hSigned-off-by: Joshua Brunner <j.brunner@nexbyte.com>
