agent: Set fixed NOFILE limit value for kata-agent
Some applications may fail if NOFILE limit is set to unlimited.
Although in some environments this value is explicitly overridden,
lets set it to a more sane value in case it doesn't.
Fixes
@@ -15,7 +15,7 @@ Wants=kata-containers.target
StandardOutput=tty
Type=simple
ExecStart=@BINDIR@/@AGENT_NAME@
-LimitNOFILE=infinity
+LimitNOFILE=1048576
# ExecStop is required for static agent tracing; in all other scenarios
# the runtime handles shutting down the VM.
ExecStop=/bin/sync ; /usr/bin/systemctl --force poweroff
