r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
sendto(r0, &(0x7f0000000140)="73fe3857", 0x4, 0x0, &(0x7f00000000c0)=@l2tp6={0xa, 0x0, 0x0, @mcast2}, 0x80)
setsockopt$inet6_int(r0, 0x29, 0x4a, &(0x7f0000000240)=0x8, 0x4)
recvmmsg(r0, &(0x7f0000001a00)=[{{0x0, 0x0, 0x0}}], 0x300, 0x10062, 0x0)