Alpine image has 5 second delay with net none

[JRaspass]

Slim

$ time docker run --rm elixir:slim elixir -e 'IO.puts "Hello, World!"'
Hello, World!

real	0m2.251s

Slim net none

$ time docker run --rm --net none elixir:slim elixir -e 'IO.puts "Hello, World!"'
Hello, World!

real	0m2.089s

Alpine

$ time docker run --rm elixir:alpine elixir -e 'IO.puts "Hello, World!"'
Hello, World!

real	0m2.191s

Alpine net none

$ time docker run --rm --net none elixir:alpine elixir -e 'IO.puts "Hello, World!"'
Hello, World!

real	0m7.004s