[ 1245.457622][T12617] netdevsim netdevsim378 eni378np1: renamed from eth0
[ 1245.466672][T12615] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1248.354429][T12605] Could not find device with ifindex 2000 in netnsfd 11
[ 1248.355761][T12605] Could not find netns with fd: 2000
[ 1248.356962][T12605] Cannot link a netdevsim to itself
[ 1248.358053][T12605] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).