[  486.480488] netdevsim netdevsim350 eni350np1: renamed from eth0
[  486.481477] netdevsim netdevsim627 eni627np1: renamed from eth1
[  486.779868] Could not find device with ifindex 2000 in netnsfd 11
[  486.780025] Could not find netns with fd: 2000
[  486.780107] Cannot link a netdevsim to itself
[  486.780199] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).