[ 1261.651684][T12750] netdevsim netdevsim334 eni334np1: renamed from eth0
[ 1261.763770][T12748] netdevsim netdevsim557 eni557np1: renamed from eth1
[ 1264.421520][T12737] Could not find device with ifindex 2000 in netnsfd 11
[ 1264.423617][T12737] Could not find netns with fd: 2000
[ 1264.424898][T12737] Cannot link a netdevsim to itself
[ 1264.426094][T12737] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).