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[tunnel_pkt_handler]: Skip nonexistent intfs #12424

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Merged
theasianpianist merged 1 commit into from
Oct 20, 2022
Merged

[tunnel_pkt_handler]: Skip nonexistent intfs #12424

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10 changes: 9 additions & 1 deletion dockers/docker-orchagent/tunnel_packet_handler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
from sonic_py_common import logger as log

from pyroute2 import IPRoute
from pyroute2.netlink.exceptions import NetlinkError
from scapy.layers.inet import IP
from scapy.layers.inet6 import IPv6
from scapy.sendrecv import AsyncSniffer
Expand Down Expand Up @@ -115,7 +116,14 @@ def get_up_portchannels(self):
portchannel_intf_names = [name for name, _ in self.portchannel_intfs]
link_statuses = []
for intf in portchannel_intf_names:
status = self.netlink_api.link("get", ifname=intf)
try:
status = self.netlink_api.link("get", ifname=intf)
except NetlinkError:
# Continue if we find a non-existent interface since we don't
# need to listen on it while it's down/not created. Once it comes up,
# we will get another netlink message which will trigger this check again
logger.log_notice("Skipping non-existent interface {}".format(intf))
continue
link_statuses.append(status[0])
up_portchannels = []

Expand Down