[ 4486.003581][T28718] gre: GRE over IPv4 demultiplexer driver
[ 4487.905087][T28741] ip_gre: GRE over IPv4 tunneling driver
[ 4540.177055][T29312] ip6_gre: GRE over IPv6 tunneling driver
[ 4577.622193][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4582.934049][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4587.350916][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4592.469957][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!