sonic-buildimage/files/image_config/systemd/network/99-default.link

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# Override default systemd policy
MACAddressPolicy=none
[systemd] disable default systemd udev rules for interfaces (#7369) Fix #7364 99-default.link - was always in SONiC, but previous systemd (<247) had an issue and it did not work due to issue systemd/systemd#3374. Now systemd 247 works. However, such policy overrides teamd provided mac address which causes teamd netdev to use a random mac address. Therefore, needs to be disabled. Signed-off-by: Stepan Blyschak <stepanb@nvidia.com> 2021-04-21 19:50:00 -05:00			`[Match]`
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			`# Override default systemd policy`
			`MACAddressPolicy=none`