[ 1042.356198][T12654] netdevsim netdevsim304 eni304np1: renamed from eth0
[ 1042.472279][T12653] netdevsim netdevsim722 eni722np1: renamed from eth1
[ 1044.323933][T12646] Could not find device with ifindex 2000 in netnsfd 11
[ 1044.325026][T12646] Could not find netns with fd: 2000
[ 1044.325732][T12646] Cannot link a netdevsim to itself
[ 1044.326571][T12646] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).