we have a coredump:
#0 0x0000000004bb27b1 in malloc_heap_free ()
#1 0x0000000004bb3426 in rte_free ()
#2 0x0000000001481c31 in phydi_nr5g_destroy_buffers (phyInstance=, nIsFree=) at auxlib/phydi/phydi.c:4998