r0 = socket$unix(0x1, 0x2, 0x0)
recvmmsg$unix(r0, &(0x7f0000004880)=[{{&(0x7f0000000100), 0x6e, &(0x7f00000003c0)=[{0x0}, {0x0}], 0x2}}], 0x1, 0x40010023, 0x0)