{
echo "== capsh/caps =="; cat /proc/self/status | grep -i cap
echo "== proc count =="; ls /proc | grep -E '^[0-9]+$' | wc -l
echo "== proc pids =="; ls /proc | grep -E '^[0-9]+$' | head -30
echo "== proc1 =="; ls -la /proc/1/ns/ 2>&1
echo "== self ns net =="; ls -la /proc/self/ns/ 2>&1
echo "== netdev =="; cat /proc/net/dev
echo "== conntrack =="; cat /proc/net/nf_conntrack 2>&1 | head
echo "== tool check =="; for t in nsenter docker arping arp ip ss netstat ping nc curl wget python3; do command -v $t 2>/dev/null && echo "  found:$t"; done
echo "== docker dirs =="; ls /var/lib/docker 2>&1; ls /run 2>&1
} > /www/snap/r2.txt 2>&1