[ 1274.036067][T12886] netdevsim netdevsim433 eni433np1: renamed from eth0
[ 1274.143178][T12883] netdevsim netdevsim623 eni623np1: renamed from eth1
[ 1276.693865][T12873] Could not find device with ifindex 2000 in netnsfd 11
[ 1276.695525][T12873] Could not find netns with fd: 2000
[ 1276.697061][T12873] Cannot link a netdevsim to itself
[ 1276.699220][T12873] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).