I got:
$ curl -s https://agent.sealion.com | sudo bash /dev/stdin -o etc
Downloading agent...
######################################################################## 100.0%
Created 'sealion' user successfully
Extracting files to /usr/local/sealion-agent...
Files extracted successfully
Installed SeaLion as a service
Starting agent...
./bin/sealion-node: 1: Syntax error: word unexpected (expecting ")")
Sealion service started successfully
Installation successful. Please continue on https://sealion.com
$ ./bin/sealion-node: 1: ELF: not found