[ 1271.497954][T12849] netdevsim netdevsim752 eni752np1: renamed from eth1
[ 1271.569089][T12850] netdevsim netdevsim357 eni357np1: renamed from eth0
[ 1274.209288][T12837] Could not find device with ifindex 2000 in netnsfd 11
[ 1274.211430][T12837] Could not find netns with fd: 2000
[ 1274.212383][T12837] Cannot link a netdevsim to itself
[ 1274.214418][T12837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).