[  475.549597] netdevsim netdevsim442 eni442np1: renamed from eth0
[  475.550139] netdevsim netdevsim727 eni727np1: renamed from eth1
[  475.642225] Could not find device with ifindex 2000 in netnsfd 11
[  475.642318] Could not find netns with fd: 2000
[  475.642361] Cannot link a netdevsim to itself
[  475.642411] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).