[ 1049.338683][T12683] netdevsim netdevsim757 eni757np1: renamed from eth1
[ 1049.458141][T12731] netdevsim netdevsim338 eni338np1: renamed from eth0
[ 1051.314994][T12727] Could not find device with ifindex 2000 in netnsfd 11
[ 1051.315932][T12727] Could not find netns with fd: 2000
[ 1051.316650][T12727] Cannot link a netdevsim to itself
[ 1051.317415][T12727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).