Add info how to fix failed chroot #78

Job	Run time
Unit test x64 ubuntu 22.04 for clock	3m 9s
Unit test x64 ubuntu 22.04 for layout	37m 56s
Unit test x64 ubuntu 22.04 for internalscheme	23m 50s
Unit test x64 ubuntu 22.04 for grid	2m 56s
Unit test x64 ubuntu 22.04 for parallel grid CXX11=ON	43m 25s
Unit test x64 ubuntu 22.04 for dumpers-loaders	6m 16s
Unit test x64 ubuntu 22.04 for parallel grid CXX11=OFF	48m 19s
Unit test x64 ubuntu 22.04 for coordinate	1m 55s
Unit test x64 ubuntu 22.04 for settings	1m 42s
Unit test x64 ubuntu 22.04 for approximation	2m 45s
Unit test x64 ubuntu 22.04 for complex	1m 5s
	2h 53m 18s

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