[ 1246.925207][T12614] netdevsim netdevsim744 eni744np1: renamed from eth1
[ 1247.078931][T12612] netdevsim netdevsim344 eni344np1: renamed from eth0
[ 1249.943160][T12601] Could not find device with ifindex 2000 in netnsfd 11
[ 1249.944501][T12601] Could not find netns with fd: 2000
[ 1249.946030][T12601] Cannot link a netdevsim to itself
[ 1249.947946][T12601] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).