[ 2168.115536][T17616] gre: GRE over IPv4 demultiplexor driver
[ 2169.811264][T17639] ip_gre: GRE over IPv4 tunneling driver
[ 2224.547246][T18210] ip6_gre: GRE over IPv6 tunneling driver
[ 2262.889822][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2268.265746][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2272.809719][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2278.249705][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!