[  443.057418] netdevsim netdevsim262 eni262np1: renamed from eth0
[  443.158703] netdevsim netdevsim763 eni763np1: renamed from eth1
[  443.528863] Could not find device with ifindex 2000 in netnsfd 11
[  443.529064] Could not find netns with fd: 2000
[  443.529162] Cannot link a netdevsim to itself
[  443.529285] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).