r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm_iptfs(r0, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={&(0x7f0000000000)=@updsa={0x13c, 0x1a, 0x1, 0x70bd25, 0x25dfdbff, {{@in6=@ipv4={'\x00', '\xff\xff', @multicast2}, @in=@rand_addr=0x64010100, 0x4e20, 0x3, 0x4e22, 0x0, 0x2, 0x20, 0x20, 0x4}, {@in=@rand_addr=0x64010101, 0x4d4}, @in=@multicast1, {0x0, 0x7, 0x10, 0x4, 0x2, 0xffffffff00000000, 0x8, 0x8}, {0x3ff, 0x2, 0x0, 0x1}, {0x0, 0x400, 0xdf}, 0x70bd29, 0x3501, 0xa, 0x5, 0x1, 0x20}, [@algo_auth={0x48, 0x1, {{'sha384-arm64\x00'}}}, @XFRMA_IPTFS_DONT_FRAG={0x4}]}, 0x13c}, 0x1, 0x0, 0x0, 0x11}, 0x2400c080)