[ 1224.135963][T12619] netdevsim netdevsim477 eni477np1: renamed from eth0
[ 1224.251562][T12622] netdevsim netdevsim556 eni556np1: renamed from eth1
[ 1226.815452][T12612] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.816758][T12612] Could not find netns with fd: 2000
[ 1226.817744][T12612] Cannot link a netdevsim to itself
[ 1226.818991][T12612] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).