Answer
Sandbox holds Pod-level namespaces ensuring stable networking and IPs across restarts.
Quick Answer
The pod sandbox is the network namespace and cgroup hierarchy for the Pod — created once when the Pod is scheduled. It persists across container restarts. Even if all containers in the Pod crash and restart, the sandbox (Pod IP, network, volumes) stays stable. This is why Pod IP doesn't change when a container restarts inside it.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ