[ 1009.756179][T12067] netdevsim netdevsim317 eni317np1: renamed from eth0
[ 1009.860453][T12124] netdevsim netdevsim664 eni664np1: renamed from eth1
[ 1011.577628][T12547] Could not find device with ifindex 2000 in netnsfd 11
[ 1011.578952][T12547] Could not find netns with fd: 2000
[ 1011.579636][T12547] Cannot link a netdevsim to itself
[ 1011.580463][T12547] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).