[strongSwan] received netlink error: Network is unreachable

[Houman]

Hello,

I'm getting this error in the syslog.

It still connects but I keep getting this error sometimes:
*charon: 15[KNL] received netlink error: Network is unreachable (101)*

Why is that?

*Syslog:*

Jul 17 21:31:08 de-fsn-2 charon: 09[CFG] reassigning offline lease to
'c8c09c88-8a67-4af6-8620-xxxxxx'

Jul 17 21:31:08 de-fsn-2 charon: 09[IKE] assigning virtual IP 10.10.55.127
to peer 'c8c09c88-8a67-4af6-8620-xxxxxx'

Jul 17 21:31:08 de-fsn-2 charon: 09[IKE] peer requested virtual IP %any6

Jul 17 21:31:08 de-fsn-2 charon: 09[CFG] reassigning offline lease to
'c8c09c88-8a67-4af6-8620-xxxxxx'

Jul 17 21:31:08 de-fsn-2 charon: 09[IKE] assigning virtual IP
fdd2:54c4:4c90:1::307f to peer 'c8c09c88-8a67-4af6-8620-xxxxxx'

Jul 17 21:31:08 de-fsn-2 charon: 09[KNL] received netlink error: Network is
unreachable (101)

Jul 17 21:31:08 de-fsn-2 charon: 09[KNL] unable to install source route for
%any

Jul 17 21:31:08 de-fsn-2 charon: 09[IKE] CHILD_SA Falkenstein-2{455771}
established with SPIs c6b5caac_i 0c8a8cdf_o and TS 0.0.0.0/0 ::/0 ===
10.10.55.127/32 fdd2:54c4:4c90:1::307f/128

Jul 17 21:31:08 de-fsn-2 charon: 09[CFG] sending RADIUS Accounting-Request
to server 'server-a'

Jul 17 21:31:08 de-fsn-2 charon: 15[NET] received packet: from
109.177.xx.xxx[4500] to 136.243.xxx.xxx[4500] (112 bytes)

Jul 17 21:31:08 de-fsn-2 charon: 09[CFG] received RADIUS
Accounting-Response from server 'server-a'

Jul 17 21:31:08 de-fsn-2 charon: 09[ENC] generating IKE_AUTH response 6 [
AUTH CPRP(ADDR ADDR6 DNS DNS) SA TSi TSr N(MOBIKE_SUP) N(ADD_6_ADDR) ]

Jul 17 21:31:08 de-fsn-2 charon: 15[ENC] parsed IKE_AUTH request 6 [ AUTH ]

Jul 17 21:31:08 de-fsn-2 charon: 09[NET] sending packet: from
136.243.xxx.xxx[4500] to 86.97.xx.xxx[4500] (368 bytes)

Jul 17 21:31:08 de-fsn-2 charon: 15[IKE] authentication of 'VPN' with EAP
successful

Jul 17 21:31:08 de-fsn-2 charon: 15[IKE] authentication of '
de-fsn-2.xxxxx.net' (myself) with EAP

Jul 17 21:31:08 de-fsn-2 charon: 15[IKE] IKE_SA Falkenstein-2[549905]
established between 136.243.xxx.xxx[de-fsn-2.xxxxx.net
]...109.177.xx.xxx[VPN]

Jul 17 21:31:08 de-fsn-2 charon: 15[IKE] peer requested virtual IP %any

Jul 17 21:31:08 de-fsn-2 charon: 15[CFG] reassigning offline lease to
'b05ccf72-7bad-425e-95e0-xxxxx'

Jul 17 21:31:08 de-fsn-2 charon: 15[IKE] assigning virtual IP 10.10.50.102
to peer 'b05ccf72-7bad-425e-95e0-xxxxx'

Jul 17 21:31:08 de-fsn-2 charon: 15[IKE] peer requested virtual IP %any6

Jul 17 21:31:08 de-fsn-2 charon: 15[CFG] reassigning offline lease to
'b05ccf72-7bad-425e-95e0-xxxxx'

Jul 17 21:31:08 de-fsn-2 charon: 15[IKE] assigning virtual IP
fdd2:54c4:4c90:1::2b66 to peer 'b05ccf72-7bad-425e-95e0-xxxxx'

Jul 17 21:31:08 de-fsn-2 charon: 15[KNL] received netlink error: Network is
unreachable (101)

Jul 17 21:31:08 de-fsn-2 charon: 15[KNL] unable to install source route for
%any

Jul 17 21:31:08 de-fsn-2 charon: 15[IKE] CHILD_SA Falkenstein-2{455772}
established with SPIs c23f2271_i 07d2a903_o and TS 0.0.0.0/0 ::/0 ===
10.10.50.102/32 fdd2:54c4:4c90:1::2b66/128

Jul 17 21:31:08 de-fsn-2 charon: 15[CFG] sending RADIUS Accounting-Request
to server 'server-a'

Jul 17 21:31:08 de-fsn-2 charon: 13[NET] received packet: from
94.206.xxx.xxx[4500] to 136.243.xxx.xxx[4500] (368 bytes)

Jul 17 21:31:08 de-fsn-2 charon: 15[CFG] received RADIUS
Accounting-Response from server 'server-a'

Jul 17 21:31:08 de-fsn-2 charon: 15[ENC] generating IKE_AUTH response 6 [
AUTH CPRP(ADDR ADDR6 DNS DNS) SA TSi TSr N(MOBIKE_SUP) N(ADD_6_ADDR) ]

Jul 17 21:31:08 de-fsn-2 charon: 13[ENC] unknown attribute type (25)

Jul 17 21:31:08 de-fsn-2 charon: 13[ENC] parsed IKE_AUTH request 1 [ IDi
N(INIT_CONTACT) N(MOBIKE_SUP) IDr CPRQ(ADDR DHCP DNS MASK ADDR6 DHCP6 DNS6
(25)) N(ESP_TFC_PAD_N) N(NON_FIRST_FRAG) SA TSi TSr N(EAP_ONLY) ]

Jul 17 21:31:08 de-fsn-2 charon: 15[NET] sending packet: from
136.243.xxx.xxx[4500] to 109.177.xx.xxx[4500] (368 bytes)

Jul 17 21:31:08 de-fsn-2 charon: 13[CFG] looking for peer configs matching
136.243.xxx.xxx[de-fsn-2.xxxxx.net]...94.206.xxx.xxx[VPN]

Jul 17 21:31:08 de-fsn-2 charon: 13[CFG] selected peer config
'Falkenstein-2'


Many Thanks,

Houman
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