[  455.436082] netdevsim netdevsim444 eni444np1: renamed from eth0
[  455.436807] netdevsim netdevsim681 eni681np1: renamed from eth1
[  455.524263] Could not find device with ifindex 2000 in netnsfd 11
[  455.524369] Could not find netns with fd: 2000
[  455.524415] Cannot link a netdevsim to itself
[  455.524466] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).