ioctl$TCSETSF2(0xffffffffffffffff, 0x402c542d, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x2, "77004a6efdff0000000008002600"}) r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0xa541, 0x0) ioctl$TUNSETQUEUE(r0, 0x400454ca, &(0x7f0000000000)={'veth0_vlan\x00'}) write$tun(r0, &(0x7f0000000040)={@void, @void, @ipv4=@dccp={{0x5, 0x4, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0, 0x21, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @multicast2}, {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "5892c4", 0x0, "6fee60"}}}}, 0x24)