[ 1341.668895][T12850] netdevsim netdevsim463 eni463np1: renamed from eth0
[ 1341.719602][T12849] netdevsim netdevsim520 eni520np1: renamed from eth1
[ 1344.442241][T12838] Could not find device with ifindex 2000 in netnsfd 11
[ 1344.444394][T12838] Could not find netns with fd: 2000
[ 1344.445254][T12838] Cannot link a netdevsim to itself
[ 1344.446329][T12838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).