[ 1262.435299][T12782] netdevsim netdevsim534 eni534np1: renamed from eth1
[ 1262.559448][T12784] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1265.230901][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1265.232221][T12771] Could not find netns with fd: 2000
[ 1265.233481][T12771] Cannot link a netdevsim to itself
[ 1265.234612][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).