• Support for kernel up to 5.15
• bcc tools: update for kvmexit.py, tcpv4connect.py, cachetop.py, cachestat.py, etc.
• libbpf tools: update for update for mountsnoop, ksnoop, gethostlatency, etc.
• fix renaming of task_struct->state
• get pid namespace properly for a number of tools
• initial work for more libbpf utilization (less section names)
• doc update, bug fixes and other tools improvement