Jian Qiu

**What this PR does / why we need it**: feature: model manager dispatcher **Does this PR need to be backport to the previous release branch?**: NONE /cc @yulu-au @zexi

**What this PR does / why we need it**: feature: huawei modelarts pool support (initial) **Does this PR need to be backport to the previous release branch?**: - release/3.9 /cc...

选择套餐UI交互改进

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**What would you like to be added**:  

**What would you like to be added**: Allow turn off IP probe

fix: allow start vm on raspberry pi 4

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**What this PR does / why we need it**: fix: allow start vm on raspberry pi 4 **Does this PR need to be backport to the previous release branch?**: -...

Cherry pick of #14762 on release/3.9. #14762: fix: allow start vm on raspberry pi 4

webconsole增加更多发送特殊key的快捷键，例如F8用于windows进入安全模式

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**What would you like to be added**: webconsole增加更多发送特殊key的快捷键，例如F8用于windows进入安全模式

**What happened**: kernel 5.4 is not the default kernel after installzation **Environment**: - OS (e.g. `cat /etc/os-release`): - Kernel (e.g. `uname -a`):

**What would you like to be added**:

fail to upload large image from web console

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**What happened**: fail to upload large image more than 6.6G, report error "create upload fail unexpected EOF"  **Environment**: - OS (e.g. `cat /etc/os-release`): - Kernel (e.g. `uname -a`):