[sonic-cfggen] Fix sonic-cfggen crash issue when printing non-exists table/key#4131

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zhenggen-xu wants to merge 2 commits intosonic-net:masterfrom zhenggen-xu:eoiu-check

+12-6

Commits on Apr 26, 2020

[sonic-cfggen/docker-frr] Fix sonic-cfggen so docker-frr start.sh won't fail if no WARM_RESTART in configDB
zhenggen-xu
committed

Commits on Aug 14, 2020

[sonic-cfggen] Fix sonic-cfggen crash issue when printing non-exists table/key
zhenggen-xu
committed