Merge pull request #15619 from ddstreet/ignore_carrier_loss_default

Set IgnoreCarrierLoss= default to value of ConfigureWithoutCarrier=

diff --cc man/systemd.network.xml
Simple merge

diff --cc src/network/networkd-network-gperf.gperf
Simple merge

diff --cc src/network/networkd-network.c
Simple merge

diff --cc src/network/networkd-network.h
Simple merge