r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'sit0\x00'})
r1 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$inet_udp_int(r1, 0x11, 0x67, &(0x7f0000000000)=0x9, 0x4)
r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000200)={'sit0\x00', <r3=>0x0})
sendmmsg$inet(r1, &(0x7f0000000640)=[{{&(0x7f0000000040)={0x2, 0x4e23, @multicast2=0xac1414bb}, 0x10, &(0x7f0000000500)=[{&(0x7f0000000100)="6930a1e02954b40244bb", 0x480}], 0x1, &(0x7f00000005c0)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {r3, @remote, @private}}}], 0x20}}], 0x1, 0x0)
r4 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_tx_ring(r4, 0x107, 0x5, &(0x7f0000000000)=@req3={0x1000, 0x1, 0x400, 0x4}, 0x1c)
setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f00000000c0)={0x0, 0x3}, 0x4)
sendfile(r0, r4, &(0x7f0000000080)=0x80000000, 0x0)
ioctl$sock_inet6_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000000)={@local, 0x7f, r3})
unshare(0x0)