[ 1223.605897][T12606] netdevsim netdevsim681 eni681np1: renamed from eth1
[ 1223.720250][T12605] netdevsim netdevsim352 eni352np1: renamed from eth0
[ 1226.176104][T12597] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.177742][T12597] Could not find netns with fd: 2000
[ 1226.178654][T12597] Cannot link a netdevsim to itself
[ 1226.179800][T12597] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).