[  482.325129] netdevsim netdevsim587 eni587np1: renamed from eth1
[  482.422591] netdevsim netdevsim449 eni449np1: renamed from eth0
[  482.668475] Could not find device with ifindex 2000 in netnsfd 11
[  482.668708] Could not find netns with fd: 2000
[  482.668784] Cannot link a netdevsim to itself
[  482.668877] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).