[  482.502697] netdevsim netdevsim272 eni272np1: renamed from eth0
[  482.604570] netdevsim netdevsim673 eni673np1: renamed from eth1
[  482.999022] Could not find device with ifindex 2000 in netnsfd 11
[  482.999175] Could not find netns with fd: 2000
[  482.999258] Cannot link a netdevsim to itself
[  482.999385] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).