[ 3220.437348][T22575] gre: GRE over IPv4 demultiplexor driver
[ 3222.663594][T22599] ip_gre: GRE over IPv4 tunneling driver
[ 3283.112635][T23181] ip6_gre: GRE over IPv6 tunneling driver
[ 3324.906209][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3330.857089][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3335.978093][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3341.994092][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!