cross compile success,but not runable

[tangrames]

After cross compiling, the executable program format is proved to be correct by checking the readelf - h print information

ELF 头：
Magic： 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00
类别: ELF32
数据: 2 补码，小端序 (little endian)
版本: 1 (current)
OS/ABI: UNIX - System V
ABI 版本: 0
类型: EXEC (可执行文件)
系统架构: ARM
版本: 0x1
入口点地址： 0x16094
程序头起点： 52 (bytes into file)
Start of section headers: 3255020 (bytes into file)
标志： 0x5000400, Version5 EABI, hard-float ABI
本头的大小： 52 (字节)
程序头大小： 32 (字节)
Number of program headers: 10
节头大小： 40 (字节)
节头数量： 48

Error info:
root@phyboard-segin-imx6ul-6:/home/zeromq# ./router
-sh: ./router: No such file or directory

when run "ldd router" is printed as follows:

root@phyboard-segin-imx6ul-6:/home/zeromq# ldd router
linux-vdso.so.1 (0xbed1e000)
libzmq.so.5 => /home/zeromq/libzmq.so.5 (0xb6e8e000)
libczmq.so.4 => /home/zeromq/libczmq.so.4 (0xb6e17000)
libpthread.so.0 => /lib/libpthread.so.0 (0xb6dee000)
libc.so.6 => /lib/libc.so.6 (0xb6cae000)
libunwind.so.8 => /usr/lib/libunwind.so.8 (0xb6c6d000)
libdl.so.2 => /lib/libdl.so.2 (0xb6c5a000)
librt.so.1 => /lib/librt.so.1 (0xb6c43000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb6afd000)
libm.so.6 => /lib/libm.so.6 (0xb6a7a000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb6a4d000)
/lib/ld-linux.so.3 => /lib/ld-linux-armhf.so.3 (0xb6f18000)
root@phyboard-segin-imx6ul-6:/home/zeromq#