[ 1460.411704][T12605] netdevsim netdevsim273 eni273np1: renamed from eth0
[ 1460.434734][T12603] netdevsim netdevsim577 eni577np1: renamed from eth1
[ 1464.006740][T12597] Could not find device with ifindex 2000 in netnsfd 11
[ 1464.007685][T12597] Could not find netns with fd: 2000
[ 1464.008334][T12597] Cannot link a netdevsim to itself
[ 1464.009129][T12597] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).