$ ./containnsm run -I tcpdump:4.7.4
Mount: Host: /Users/jonschipp/repos/nsm-containnsm -> Container: /Users/jonschipp/repos/nsm-containnsm
Cwd: /home/opennsm
PCAP: none
Image: opennsm/tcpdump:4.7.4
exec: "-I": executable file not found in $PATH
FATA[0001] Error response from daemon: Cannot start container b1934f85b26d6f44592e8236f59c4ceeabaafa2a75721484df103a91cec805e9: [8] System error: exec: "-I": executable file not found in $PATH