With `gnrc_pktbuf_merge()` introduced in f03247e75218a60d3185e08c33ee0267f814e1b3 we can remove some code duplication when it comes to looping back a packet.
With `gnrc_pktbuf_merge()` introduced in f03247e75218a60d3185e08c33ee0267f814e1b3 we can remove some code duplication when it comes to looping back a packet.