dose MDNS ( multicast dns ) issue can be because duplicate lines in the resolve.conf file
for example , we have the following resolve.conf file
more /etc/resolv.conf
search coronplesdf.hh.com
server 108.16.1.71
domain coronplesdf.hh.com
domain coronplesdf.hh.com
domain coronplesdf.hh.com
domain coronplesdf.hh.com
domain coronplesdf.hh.com
domain coronplesdf.hh.com
domain coronplesdf.hh.com
domain coronplesdf.hh.com
domain coronplesdf.hh.com
domain coronplesdf.hh.com
example what we get from dmesg
[6484420.812643] raid6: using avx2x2 recovery algorithm
[6484420.859086] Btrfs loaded
[6484426.278636] nr_pdflush_threads exported in /proc is scheduled for removal
[6484708.776239] ixgbe 0000:04:00.0: invalid short VPD tag 06 at offset 4
[6900952.098901] perf: interrupt took too long (6247 > 6167), lowering kernel.perf_event_max_sample_rate to 32000
[7372848.819396] Peer 0000:0000:0000:0000:0000:ffff:0a15:f030:1054/8042 unexpectedly shrunk window 3002395993:3002395997 (repaired)
[8139485.039423] Turbo disabled by BIOS or unavailable on processor
[8380300.891343] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380320.890541] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380440.896206] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380460.895001] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380463.207397] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380467.316531] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380468.363352] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380469.332044] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380489.330943] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380509.329849] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380529.328678] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380549.468256] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380569.326474] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380589.340946] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380609.339969] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380619.870472] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380620.964216] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380621.979847] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380641.869255] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69
[8380661.883737] UDP: bad checksum. From 73.2.33.11:5353 to 82.2.33.1:5353 ulen 69