[ 3197.134761][T23670] gre: GRE over IPv4 demultiplexer driver
[ 3198.741734][T23693] ip_gre: GRE over IPv4 tunneling driver
[ 3247.040908][T24264] ip6_gre: GRE over IPv6 tunneling driver
[ 3272.190968][T22474] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3281.278230][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3286.334242][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3290.686257][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3295.743216][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!