dhcpcd: 10-mtu break if carrier was lost some nic's like Intel e1000e needs a reinit to change the mtu. In this case the dhcp hook reinit the nic and terminate now to let the dhcpcd reinit the card in backgrounnd without running the rest of the hooks. Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>