[  486.351523] netdevsim netdevsim330 eni330np1: renamed from eth0
[  486.352416] netdevsim netdevsim535 eni535np1: renamed from eth1
[  486.451042] Could not find device with ifindex 2000 in netnsfd 11
[  486.451188] Could not find netns with fd: 2000
[  486.451298] Cannot link a netdevsim to itself
[  486.451410] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).