socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg$unix(r1, &(0x7f0000002b00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0) gettid() sendmsg$unix(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000300)="a2", 0x1}], 0x1}, 0x0)