[ 1250.041170][T12885] netdevsim netdevsim714 eni714np1: renamed from eth1
[ 1250.134672][T12883] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1253.044205][T12873] Could not find device with ifindex 2000 in netnsfd 11
[ 1253.045394][T12873] Could not find netns with fd: 2000
[ 1253.046328][T12873] Cannot link a netdevsim to itself
[ 1253.047462][T12873] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).