pwru (https://github.com/cilium/pwru https://github.com/cilium/pwru) is a fun new tool from the Cilium folks for tracing network packets in the kernel. Like tcp

pwru (https://github.com/cilium/pwru https://github.com/cilium/pwru) is a fun new tool from the Cilium folks for tracing network packets in the kernel. Like tcpdump but you can trace the full path of the packet including kernel syscalls. Lets you debug much deeper than "when the packet gets to this port it gets dropped".