'invalid input for keepalive 1' => 'Неверно указан Keepalive ping.',
'invalid input for keepalive 1:2' => 'Invalid input for Keepalive use at least a ratio of 1:2.',
'invalid input for keepalive 2' => 'Неверно указан Keepalive ping-restart.',
'invalid input for keepalive 1' => 'Неверно указан Keepalive ping.',
'invalid input for keepalive 1:2' => 'Invalid input for Keepalive use at least a ratio of 1:2.',
'invalid input for keepalive 2' => 'Неверно указан Keepalive ping-restart.',