[ 1047.399786][T12759] netdevsim netdevsim728 eni728np1: renamed from eth1
[ 1047.504105][T12762] netdevsim netdevsim418 eni418np1: renamed from eth0
[ 1049.329908][T12754] Could not find device with ifindex 2000 in netnsfd 11
[ 1049.331423][T12754] Could not find netns with fd: 2000
[ 1049.332494][T12754] Cannot link a netdevsim to itself
[ 1049.333800][T12754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).