r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) sendmmsg$inet6(r0, &(0x7f0000003440)=[{{&(0x7f00000000c0)={0xa, 0x0, 0x0, @mcast2}, 0x1c, &(0x7f0000001240)=[{&(0x7f0000000100)="c1c4f3ee", 0x4}], 0x1}}], 0x1, 0x0) recvmmsg(r0, &(0x7f0000005940)=[{{0x0, 0x0, 0x0}}], 0x1, 0x42, 0x0)