[  769.592350][T14631] netdevsim netdevsim441 eni441np1: renamed from eth0
[  769.603148][T14629] netdevsim netdevsim676 eni676np1: renamed from eth1
[  770.285292][T14617] Could not find device with ifindex 2000 in netnsfd 11
[  770.285895][T14617] Could not find netns with fd: 2000
[  770.286269][T14617] Cannot link a netdevsim to itself
[  770.287093][T14617] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).