[ 1218.815704][T12784] netdevsim netdevsim346 eni346np1: renamed from eth0
[ 1218.880923][T12782] netdevsim netdevsim638 eni638np1: renamed from eth1
[ 1221.282994][T12776] Could not find device with ifindex 2000 in netnsfd 11
[ 1221.284250][T12776] Could not find netns with fd: 2000
[ 1221.285170][T12776] Cannot link a netdevsim to itself
[ 1221.286251][T12776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).