Why libc should be installed over and over?

Download libc to install:

    wget  https://downloads.openwrt.org/releases/19.07.7/targets/x86/64/packages/libc_1.1.24-2_x86_64.ipk
    scp   libc_1.1.24-2_x86_64.ipk   root@192.168.2.1:/root
    opkg install libc_1.1.24-2_x86_64.ipk

Install transmisson according to official manual:

[https://openwrt.org/docs/guide-user/services/downloading_and_filesharing/transmission](https://install transmission official manual)

root@OpenWrt:~# opkg install transmission-daemon-openssl
Installing transmission-daemon-openssl (3.00-4) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/packages/x86_64/packages/transmission-daemon-openssl_3.00-4_x86_64.ipk
Configuring transmission-daemon-openssl.
Transmission not enabled. Please enable in /etc/config/transmission
root@OpenWrt:~# opkg install transmission-cli-openssl
Installing transmission-cli-openssl (3.00-4) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/packages/x86_64/packages/transmission-cli-openssl_3.00-4_x86_64.ipk
Collected errors:
 * satisfy_dependencies_for: Cannot satisfy the following dependencies for transmission-cli-openssl:
 * 	libc
 * opkg_install_cmd: Cannot install package transmission-cli-openssl.
root@OpenWrt:~# opkg install  libc_1.1.24-2_x86_64.ipk
Installing libc (1.1.24-2) to root...
Configuring libc.
root@OpenWrt:~# opkg install transmission-cli-openssl
Installing transmission-cli-openssl (3.00-4) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/packages/x86_64/packages/transmission-cli-openssl_3.00-4_x86_64.ipk
Installing libpthread (1.1.24-2) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/targets/x86/64/packages/libpthread_1.1.24-2_x86_64.ipk
Configuring libpthread.
Configuring transmission-cli-openssl.
root@OpenWrt:~# opkg install transmission-web
Installing transmission-web (3.00-4) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/packages/x86_64/packages/transmission-web_3.00-4_all.ipk
Collected errors:
 * satisfy_dependencies_for: Cannot satisfy the following dependencies for transmission-web:
 * 	libc
 * opkg_install_cmd: Cannot install package transmission-web.
root@OpenWrt:~# opkg install  libc_1.1.24-2_x86_64.ipk
Installing libc (1.1.24-2) to root...
Configuring libc.
root@OpenWrt:~# opkg install transmission-web
Installing transmission-web (3.00-4) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/packages/x86_64/packages/transmission-web_3.00-4_all.ipk
Configuring transmission-web.
root@OpenWrt:~# opkg install transmission-remote-openssl
Installing transmission-remote-openssl (3.00-4) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/packages/x86_64/packages/transmission-remote-openssl_3.00-4_x86_64.ipk
Collected errors:
 * satisfy_dependencies_for: Cannot satisfy the following dependencies for transmission-remote-openssl:
 * 	libc
 * opkg_install_cmd: Cannot install package transmission-remote-openssl.
root@OpenWrt:~# opkg install  libc_1.1.24-2_x86_64.ipk
Installing libc (1.1.24-2) to root...
Configuring libc.
root@OpenWrt:~# opkg install transmission-remote-openssl
Installing transmission-remote-openssl (3.00-4) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/packages/x86_64/packages/transmission-remote-openssl_3.00-4_x86_64.ipk
Installing libpthread (1.1.24-2) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/targets/x86/64/packages/libpthread_1.1.24-2_x86_64.ipk
Configuring libpthread.
Configuring transmission-remote-openssl.
root@OpenWrt:~# opkg install luci-app-transmission
Installing luci-app-transmission (git-21.160.68865-15ca915-1) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/packages/x86_64/luci/luci-app-transmission_git-21.160.68865-15ca915-1_all.ipk
Collected errors:
 * satisfy_dependencies_for: Cannot satisfy the following dependencies for luci-app-transmission:
 * 	libc
 * opkg_install_cmd: Cannot install package luci-app-transmission.
root@OpenWrt:~# opkg install  libc_1.1.24-2_x86_64.ipk
Installing libc (1.1.24-2) to root...
Configuring libc.
root@OpenWrt:~# opkg install luci-app-transmission
Installing luci-app-transmission (git-21.160.68865-15ca915-1) to root...
Downloading http://downloads.openwrt.org/releases/19.07.7/packages/x86_64/luci/luci-app-transmission_git-21.160.68865-15ca915-1_all.ipk
Configuring luci-app-transmission.

Everytime i have one transmission package installed ,libc should be re-installed again,otherwise the next transmission package can't satisfy the dependencies,why?