[  473.548925] netdevsim netdevsim344 eni344np1: renamed from eth0
[  473.549197] netdevsim netdevsim599 eni599np1: renamed from eth1
[  473.628677] Could not find device with ifindex 2000 in netnsfd 11
[  473.628854] Could not find netns with fd: 2000
[  473.628971] Cannot link a netdevsim to itself
[  473.629104] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).