write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000a00)=ANY=[], 0x98a) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$unix(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000000000)="eb", 0x1}], 0x1, &(0x7f00000008c0)=ANY=[@ANYBLOB="14"], 0x18}, 0x0) r2 = dup(r1) recvmmsg(r2, &(0x7f0000007940)=[{{0x0, 0x0, 0x0}}], 0x500, 0x20000022, 0x0)