[ 1031.211901][T12726] netdevsim netdevsim535 eni535np1: renamed from eth1
[ 1031.219557][T12678] netdevsim netdevsim277 eni277np1: renamed from eth0
[ 1033.037333][T12722] Could not find device with ifindex 2000 in netnsfd 11
[ 1033.038372][T12722] Could not find netns with fd: 2000
[ 1033.039082][T12722] Cannot link a netdevsim to itself
[ 1033.039981][T12722] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).