Версия Python для этого:
#!/usr/bin/python
from pylxd import Client
client = Client(endpoint='https://10.185.96.208:8443', verify=False, cert=('.config/lxc/client.crt', '.config/lxc/client.key'))
myCtr = client.containers.get('YOUR_CTR_NAME')
addresses = myCtr.state().network['eth0']['addresses']
for a in addresses:
if(a['scope'] == 'global'):
print "Found IP [%s]" %(a['address'])
break