[ 1416.720535][T12506] netdevsim netdevsim516 eni516np1: renamed from eth1
[ 1416.744424][T12508] netdevsim netdevsim346 eni346np1: renamed from eth0
[ 1420.560759][T12500] Could not find device with ifindex 2000 in netnsfd 11
[ 1420.561539][T12500] Could not find netns with fd: 2000
[ 1420.562398][T12500] Cannot link a netdevsim to itself
[ 1420.563371][T12500] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).