[ 3222.424658][T22572] gre: GRE over IPv4 demultiplexor driver
[ 3224.507170][T22596] ip_gre: GRE over IPv4 tunneling driver
[ 3284.384834][T23181] ip6_gre: GRE over IPv6 tunneling driver
[ 3326.914697][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3332.993632][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3337.922628][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3343.874628][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!