bugtool: check if commands exist in the pod to reduce false positives
bugtool: check if commands exist in the pod to reduce false positives

Related: #2165 (bugtool: follow up issues)

Signed-off-by: Alexander Alemayhu <e46fc836cca3acec03944314d1457c2ae6c68ef3@alemayhu.com>

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