Validate whether process belongs to the container's NetNS #149

Job	Run time
bench-script	1h 0m 18s
create-lxc-image	4s
golangci-lint	39s
test	4m 2s
benchmark-multinode (iperf3/iperf3)	2m 25s
benchmark (iperf3/iperf3_host)	1m 56s
benchmark-multinode (postgres/postgres)	2m 48s
benchmark (iperf3/iperf3)	20m 13s
benchmark-multinode (redis/redis)	9m 17s
benchmark (postgres/postgres)	2m 37s
benchmark-multinode (block/block)	10m 38s
benchmark (redis/redis)	7m 19s
benchmark-multinode (memcached/memcached)	5m 56s
benchmark (block/block)	4m 30s
benchmark-multinode (rabbitmq/rabbitmq)	5m 34s
benchmark (memcached/memcached)	5m 24s
benchmark-multinode (etcd/etcd)	4m 49s
benchmark (rabbitmq/rabbitmq)	9m 33s
benchmark-multinode (mysql/mysql)	7m 6s
benchmark (etcd/etcd)	5m 51s
benchmark (mysql/mysql)	11m 7s
plot	0s
	3h 2m 6s

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