Corpus for sendmmsg:

Coverage	Program
1546	perf_event_open-ioctl$TIOCGSID-perf_event_open-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-ptrace$getregset-pidfd_open-openat$hpet-readahead-bind$bt_l2cap-accept4-connect$bt_l2cap-sendmmsg$inet6-fsmount-bind$bt_l2cap-connect$bt_l2cap-connect$bt_l2cap-sendmmsg
1055	socket$inet6_udp-connect$inet6-sendmmsg
597	socket$packet-sendmmsg
595	socket$packet-sendmmsg
581	socket$packet-sendmmsg
574	socket$inet6_icmp_raw-sendmmsg
566	socket$packet-sendmmsg
373	socketpair$nbd-sendmmsg
216	socket$inet6_icmp_raw-sendmmsg
213	socket$inet6_icmp_raw-sendmmsg
210	socket$inet_tcp-sendmmsg
181	socket$unix-sendmmsg