[ 1021.455818][T12675] netdevsim netdevsim256 eni256np1: renamed from eth0
[ 1021.482349][T12727] netdevsim netdevsim735 eni735np1: renamed from eth1
[ 1023.336968][T12720] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.337981][T12720] Could not find netns with fd: 2000
[ 1023.338735][T12720] Cannot link a netdevsim to itself
[ 1023.339564][T12720] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).