[ 1234.155413][T12616] netdevsim netdevsim644 eni644np1: renamed from eth1
[ 1234.294369][T12620] netdevsim netdevsim406 eni406np1: renamed from eth0
[ 1237.065172][T12608] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.066361][T12608] Could not find netns with fd: 2000
[ 1237.067430][T12608] Cannot link a netdevsim to itself
[ 1237.068577][T12608] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).