perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_int(r0, 0x6, 0xa, &(0x7f0000000080), 0x4)
bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
r1 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0x0, &(0x7f00000001c0), &(0x7f0000000200))
splice(r1, &(0x7f00000017c0), 0xffffffffffffffff, &(0x7f0000001800)=0x8, 0x1, 0x0)
sendmsg$inet6(r0, &(0x7f0000001780)={&(0x7f0000000180)={0xa, 0x4e23, 0x0, @loopback}, 0x1c, 0x0, 0x0, &(0x7f0000000680)=[@pktinfo={{0x24, 0x29, 0x32, {@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}], 0x28}, 0x20040844)