[ 1272.688692][T12748] netdevsim netdevsim276 eni276np1: renamed from eth0
[ 1272.799544][T12746] netdevsim netdevsim714 eni714np1: renamed from eth1
[ 1275.597805][T12735] Could not find device with ifindex 2000 in netnsfd 11
[ 1275.599873][T12735] Could not find netns with fd: 2000
[ 1275.600753][T12735] Cannot link a netdevsim to itself
[ 1275.601823][T12735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).