[  820.941938][T14822] netdevsim netdevsim335 eni335np1: renamed from eth0
[  820.961069][T14824] netdevsim netdevsim553 eni553np1: renamed from eth1
[  821.681912][T14810] Could not find device with ifindex 2000 in netnsfd 11
[  821.682826][T14810] Could not find netns with fd: 2000
[  821.683267][T14810] Cannot link a netdevsim to itself
[  821.683739][T14810] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).