[  493.377492] netdevsim netdevsim280 eni280np1: renamed from eth0
[  493.473812] netdevsim netdevsim644 eni644np1: renamed from eth1
[  493.685889] Could not find device with ifindex 2000 in netnsfd 11
[  493.686207] Could not find netns with fd: 2000
[  493.686284] Cannot link a netdevsim to itself
[  493.686382] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).