[  495.071583] netdevsim netdevsim678 eni678np1: renamed from eth1
[  495.167543] netdevsim netdevsim325 eni325np1: renamed from eth0
[  495.424112] Could not find device with ifindex 2000 in netnsfd 11
[  495.424441] Could not find netns with fd: 2000
[  495.424529] Cannot link a netdevsim to itself
[  495.424631] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).