Some address/get_if_addrs* tests fail when the network is unreachable
I see these failures when my network connection is off: ``` address/get_if_addrs_list_internal: Feb 19 21:28:39.823 [err] connect() failed: Network is unreachable [get_if_addrs_list_internal FAILED] address/get_if_addrs_list_no_internal: Feb 19 21:28:39.825 [err] connect() failed: Network is unreachable [get_if_addrs_list_no_internal FAILED] address/get_if_addrs6_list_internal: OK address/get_if_addrs6_list_no_internal: [forking] OK address/get_if_addrs_internal_fail: OK address/get_if_addrs_no_internal_fail: OK address/get_if_addrs: Feb 19 21:28:39.881 [err] connect() failed: Network is unreachable [get_if_addrs FAILED] ``` The quick fix is to downgrade them to warnings.
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