RK3588 buildroot 解决软件包无法下载

一、问题复现与分析

通过make menuconfig添加新的packages后，执行./build.sh
出现类似如下问题：

2025-07-09T10:54:41 >>> host-depot-tools 1b58dc68659445b1d97d8341f8158be25eab4957 Downloading
Done in 4min 30s  (error code: 2)
Failed to build rockchip_rk3588:
# 2025-07-09 10:54:34
2025-07-09T10:54:34 make: Entering directory '/home/xxx/arunce_3588_linux/buildroot'
2025-07-09T10:54:39 RKPARTYBOX_CONF_OPTS is
2025-07-09T10:54:40 /usr/bin/make -j1 O=/home/xxx/arunce_3588_linux/buildroot/output/rockchip_rk3588 HOSTCC="/usr/bin/gcc" HOSTCXX="/usr/bin/g++" syncconfig
2025-07-09T10:54:41 GEN     /home/xxx/arunce_3588_linux/buildroot/output/rockchip_rk3588/Makefile
2025-07-09T10:54:41 >>> host-depot-tools 1b58dc6