[ 4292.115669][T20238] gre: GRE over IPv4 demultiplexor driver
[ 4294.148431][T20262] ip_gre: GRE over IPv4 tunneling driver
[ 4356.697626][T20837] ip6_gre: GRE over IPv6 tunneling driver
[ 4400.051462][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4406.003322][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4410.995334][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4417.139366][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!