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Further refine r336195: do not even attempt to verify/update interface's

Description

Further refine r336195: do not even attempt to verify/update interface's
MTU if we've set it once and there were no changes on the DHCP server
side since the last refresh. This is consistent I believe with how dhclient
handles other settings like IP address, mask etc.

Approved by: cem, eugen
Differential Revision: https://reviews.freebsd.org/D18546

Details

Committed
sobomaxFeb 23 2019, 11:31 PM
Differential Revision
D18546: dhclient(8) issues unneeded ioctl(SIOCSIFMTU) on every lease renew
Parents
rS344487: gcov support
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