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Reducing log noise for refresh path.#144

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joeysk2012 merged 2 commits intoamazonlinux:mainfrom
joeysk2012:log-tuning
Mar 24, 2026
Merged

Reducing log noise for refresh path.#144
joeysk2012 merged 2 commits intoamazonlinux:mainfrom
joeysk2012:log-tuning

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@joeysk2012
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@joeysk2012 joeysk2012 commented Mar 24, 2026

Description of changes:
Reduce the number of logs for refresh-policy-routes as well as turning most everything into debug messages.

After:

[ec2-user@<hostname> ~]$ journalctl | grep ec2net
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: Starting configuration for ens5
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: /lib/systemd/systemd-networkd-wait-online ens5
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: Got IMDSv2 token for interface ens5 from http://169.254.169.254/latest via ens5
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: Linking /run/systemd/network/70-ens5.network to /usr/lib/systemd/network/80-ec2.network
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for network/interfaces/macs/<mac-address>/subnet-ipv4-cidr-block
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for network/interfaces/macs/<mac-address>/interface-id
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for network/interfaces/macs/<mac-address>/local-ipv4s
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: Called trap
Mar 24 05:57:41 <hostname>.<region>.compute.internal ec2net[<pid>]: Reloaded networkd
Mar 24 05:58:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Starting configuration refresh for ens5
Mar 24 05:58:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Got IMDSv2 token for interface ens5 from http://169.254.169.254/latest via ens5
Mar 24 06:00:10 <hostname>.<region>.compute.internal ec2net[<pid>]: Starting configuration refresh for ens5
Mar 24 06:00:10 <hostname>.<region>.compute.internal ec2net[<pid>]: Got IMDSv2 token for interface ens5 from http://169.254.169.254/latest via ens5
Mar 24 06:01:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Starting configuration refresh for ens5
Mar 24 06:01:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Got IMDSv2 token for interface ens5 from http://169.254.169.254/latest via ens5

Before:

Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: Starting configuration for ens5
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: /lib/systemd/systemd-networkd-wait-online ens5
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: Got IMDSv2 token for interface ens5 from http://169.254.169.254/latest via ens5
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: Linking /run/systemd/network/70-ens5.network to /usr/lib/systemd/network/80-ec2.network
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for network/interfaces/macs/<mac-address>/subnet-ipv4-cidr-block
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for network/interfaces/macs/<mac-address>/interface-id
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for network/interfaces/macs/<mac-address>/local-ipv4s
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: Called trap
Mar 24 06:03:33 <hostname>.<region>.compute.internal ec2net[<pid>]: Reloaded networkd
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Starting configuration refresh for ens5
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Got IMDSv2 token for interface ens5 from http://169.254.169.254/latest via ens5
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Using existing cfgfile /run/systemd/network/70-ens5.network
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for network/interfaces/macs/<mac-address>/local-ipv4s
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Called trap
Mar 24 06:05:31 <hostname>.<region>.compute.internal ec2net[<pid>]: No networkd reload needed
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Starting configuration refresh for ens5
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Got IMDSv2 token for interface ens5 from http://169.254.169.254/latest via ens5
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Using existing cfgfile /run/systemd/network/70-ens5.network
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for mac
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: [get_meta] Querying IMDS for network/interfaces/macs/<mac-address>/local-ipv4s
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: Called trap
Mar 24 06:07:31 <hostname>.<region>.compute.internal ec2net[<pid>]: No networkd reload needed

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@mjnowen
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mjnowen commented Mar 24, 2026

LGTM

ericsu66888
ericsu66888 approved these changes Mar 24, 2026
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LGTM

saiharsha1994
saiharsha1994 reviewed Mar 24, 2026
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@joeysk2012 joeysk2012 merged commit d9f01f3 into amazonlinux:main Mar 24, 2026
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@ericsu66888 ericsu66888 ericsu66888 approved these changes

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