MySQL connection error: (# 2002) 'Cannot assign requested address'

Stack trace:
[ 0] __construct({Array( [dbHost] => vsviajes.activexsoft.eu [dbU...})  @  /base/zfx/data-model/Model.php[102]
[ 1] __construct(configuracion, )  @  /models/my/ModeloBase.php[27]
[ 2] __construct(configuracion, )  @  /modules/configplataforma/models/MConfigPlataforma.php[24]
[ 3] __construct()  @  /views/klorofil/public/common/head.php[28]
[ 4] require(/var/www/vhosts/viajesturiopolis.es/httpdocs/views/klorofil/public/common/head.php)  @  /base/zfx/core/View.php[382]
[ 5] showSection(common/head, {Array( [menus] => Array ( [main] => Array ( [0]...})  @  /views/klorofil/public/common/tplDashboard.php[29]
[ 6] require(/var/www/vhosts/viajesturiopolis.es/httpdocs/views/klorofil/public/common/tplDashboard.php)  @  /base/zfx/core/View.php[225]
[ 7] show()  @  /modules/index/controllers/Index.php[251]
[ 8] index()  @  /modules/index/controllers/Index.php[48]
[ 9] _main()  @  /index.php[197]