r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x20, 0x2, 0x2, 0x101, 0x0, 0x0, {}, [@CTA_EXPECT_HELP_NAME={0x9, 0x6, 'pptp\x00'}]}, 0x20}}, 0x0)