cilium/cmd: erroring if cilium monitor runs without root
cilium/cmd: erroring if cilium monitor runs without root

Signed-off-by: André Martins <bc9800b9d52a24cce72a73dd528afed53f10e5fc@cilium.io>

tgraf/cilium,michi-covalent/cilium,mskarbek/cilium,tklauser/cilium,tgraf/cilium,mskarbek/cilium,michi-covalent/cilium,eloycoto/cilium,scanf/cilium,tklauser/cilium,gumpt/cilium,cilium/cilium,tgraf/cilium,eloycoto/cilium,gumpt/cilium,gumpt/cilium,michi-covalent/cilium,eloycoto/cilium,scanf/cilium,scanf/cilium,scanf/cilium,mskarbek/cilium,gumpt/cilium,scanf/cilium,cilium/cilium,tklauser/cilium,cilium/cilium,scanf/cilium,eloycoto/cilium,gumpt/cilium,cilium/cilium,gumpt/cilium,gumpt/cilium,eloycoto/cilium,tklauser/cilium,tgraf/cilium,tgraf/cilium,tgraf/cilium,mskarbek/cilium,tklauser/cilium,cilium/cilium,cilium-team/cilium,michi-covalent/cilium,mskarbek/cilium,michi-covalent/cilium,cilium-team/cilium,eloycoto/cilium,eloycoto/cilium,scanf/cilium,mskarbek/cilium