=== conntrack 이 게스트에 있나 ===
sudo: conntrack: command not found
(exit 0)
--- 실행 파일 ---
ls: cannot access '/usr/sbin/conntrack': No such file or directory
dpkg-query: no packages found matching conntrack
=== nf_conntrack 모듈과 표는 있나 ===
6
218 /proc/net/nf_conntrack
=== 대안: /proc/net/nf_conntrack 에서 7800 을 찾는다 ===
ipv4     2 tcp      6 86399 ESTABLISHED src=10.42.0.13 dst=10.42.1.7 sport=59725 dport=7800 src=10.42.1.7 dst=10.42.0.13 sport=7800 dport=59725 [ASSURED] mark=0 zone=0 use=2
ipv4     2 tcp      6 85891 ESTABLISHED src=10.42.0.13 dst=10.42.1.7 sport=38439 dport=57800 src=10.42.1.7 dst=10.42.0.13 sport=57800 dport=38439 [ASSURED] mark=0 zone=0 use=2
