[ 1268.039687][T12848] netdevsim netdevsim622 eni622np1: renamed from eth1
[ 1268.168008][T12849] netdevsim netdevsim283 eni283np1: renamed from eth0
[ 1270.758509][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1270.761829][T12839] Could not find netns with fd: 2000
[ 1270.763256][T12839] Cannot link a netdevsim to itself
[ 1270.765414][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).