[ 1232.700072][T12783] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1232.825688][T12784] netdevsim netdevsim260 eni260np1: renamed from eth0
[ 1235.582634][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.583806][T12772] Could not find netns with fd: 2000
[ 1235.585391][T12772] Cannot link a netdevsim to itself
[ 1235.586681][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).