[ 1220.879258][T11137] netdevsim netdevsim591 eni591np1: renamed from eth1
[ 1220.889398][T11139] netdevsim netdevsim489 eni489np1: renamed from eth0
[ 1224.121018][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.121706][T11131] Could not find netns with fd: 2000
[ 1224.122263][T11131] Cannot link a netdevsim to itself
[ 1224.122933][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).